1971311940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1$

素因数の和:587

約数の個数: 288

約数和(自身を含む): 6861254400

約数和(自身を除く): 4889942460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 30, 36, 38, 39, 45, 52, 57, 60, 65, 76, 78, 90, 95, 101, 114, 117, 130, 156, 171, 180, 190, 195, 202, 228, 234, 247, 260, 285, 303, 342, 380, 390, 404, 439, 468, 494, 505, 570, 585, 606, 684, 741, 780, 855, 878, 909, 988, 1010, 1140, 1170, 1212, 1235, 1313, 1317, 1482, 1515, 1710, 1756, 1818, 1919, 2020, 2195, 2223, 2340, 2470, 2626, 2634, 2964, 3030, 3420, 3636, 3705, 3838, 3939, 3951, 4390, 4446, 4545, 4940, 5252, 5268, 5707, 5757, 6060, 6565, 6585, 7410, 7676, 7878, 7902, 8341, 8780, 8892, 9090, 9595, 11115, 11414, 11514, 11817, 13130, 13170, 14820, 15756, 15804, 16682, 17121, 17271, 18180, 19190, 19695, 19755, 22230, 22828, 23028, 23634, 24947, 25023, 26260, 26340, 28535, 28785, 33364, 34242, 34542, 38380, 39390, 39510, 41705, 44339, 44460, 47268, 49894, 50046, 51363, 57070, 57570, 59085, 68484, 69084, 74841, 75069, 78780, 79020, 83410, 85605, 86355, 88678, 99788, 100092, 102726, 108433, 114140, 115140, 118170, 124735, 125115, 133017, 149682, 150138, 166820, 171210, 172710, 177356, 205452, 216866, 221695, 224523, 236340, 249470, 250230, 256815, 266034, 299364, 300276, 325299, 342420, 345420, 374205, 375345, 399051, 433732, 443390, 449046, 498940, 500460, 513630, 532068, 542165, 576407, 650598, 665085, 748410, 750690, 798102, 842441, 886780, 898092, 975897, 1027260, 1084330, 1122615, 1152814, 1301196, 1330170, 1496820, 1501380, 1596204, 1626495, 1684882, 1729221, 1951794, 1995255, 2168660, 2245230, 2305628, 2527323, 2660340, 2882035, 3252990, 3369764, 3458442, 3903588, 3990510, 4212205, 4490460, 4879485, 5054646, 5187663, 5764070, 6505980, 6916884, 7581969, 7981020, 8424410, 8646105, 9758970, 10109292, 10375326, 10951733, 11528140, 12636615, 15163938, 16848820, 17292210, 19517940, 20750652, 21903466, 25273230, 25938315, 30327876, 32855199, 34584420, 37909845, 43806932, 50546460, 51876630, 54758665, 65710398, 75819690, 98565597, 103753260, 109517330, 131420796, 151639380, 164275995, 197131194, 219034660, 328551990, 394262388, 492827985, 657103980, 985655970, 1971311940]

約数ペア:

[(1, 1971311940), (2, 985655970), (3, 657103980), (4, 492827985), (5, 394262388), (6, 328551990), (9, 219034660), (10, 197131194), (12, 164275995), (13, 151639380), (15, 131420796), (18, 109517330), (19, 103753260), (20, 98565597), (26, 75819690), (30, 65710398), (36, 54758665), (38, 51876630), (39, 50546460), (45, 43806932), (52, 37909845), (57, 34584420), (60, 32855199), (65, 30327876), (76, 25938315), (78, 25273230), (90, 21903466), (95, 20750652), (101, 19517940), (114, 17292210), (117, 16848820), (130, 15163938), (156, 12636615), (171, 11528140), (180, 10951733), (190, 10375326), (195, 10109292), (202, 9758970), (228, 8646105), (234, 8424410), (247, 7981020), (260, 7581969), (285, 6916884), (303, 6505980), (342, 5764070), (380, 5187663), (390, 5054646), (404, 4879485), (439, 4490460), (468, 4212205), (494, 3990510), (505, 3903588), (570, 3458442), (585, 3369764), (606, 3252990), (684, 2882035), (741, 2660340), (780, 2527323), (855, 2305628), (878, 2245230), (909, 2168660), (988, 1995255), (1010, 1951794), (1140, 1729221), (1170, 1684882), (1212, 1626495), (1235, 1596204), (1313, 1501380), (1317, 1496820), (1482, 1330170), (1515, 1301196), (1710, 1152814), (1756, 1122615), (1818, 1084330), (1919, 1027260), (2020, 975897), (2195, 898092), (2223, 886780), (2340, 842441), (2470, 798102), (2626, 750690), (2634, 748410), (2964, 665085), (3030, 650598), (3420, 576407), (3636, 542165), (3705, 532068), (3838, 513630), (3939, 500460), (3951, 498940), (4390, 449046), (4446, 443390), (4545, 433732), (4940, 399051), (5252, 375345), (5268, 374205), (5707, 345420), (5757, 342420), (6060, 325299), (6565, 300276), (6585, 299364), (7410, 266034), (7676, 256815), (7878, 250230), (7902, 249470), (8341, 236340), (8780, 224523), (8892, 221695), (9090, 216866), (9595, 205452), (11115, 177356), (11414, 172710), (11514, 171210), (11817, 166820), (13130, 150138), (13170, 149682), (14820, 133017), (15756, 125115), (15804, 124735), (16682, 118170), (17121, 115140), (17271, 114140), (18180, 108433), (19190, 102726), (19695, 100092), (19755, 99788), (22230, 88678), (22828, 86355), (23028, 85605), (23634, 83410), (24947, 79020), (25023, 78780), (26260, 75069), (26340, 74841), (28535, 69084), (28785, 68484), (33364, 59085), (34242, 57570), (34542, 57070), (38380, 51363), (39390, 50046), (39510, 49894), (41705, 47268), (44339, 44460)]