178398220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:133

約数の個数: 288

約数和(自身を含む): 546981120

約数和(自身を除く): 368582900

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 49, 52, 55, 65, 67, 70, 76, 77, 91, 95, 98, 110, 130, 133, 134, 140, 143, 154, 182, 190, 196, 209, 220, 245, 247, 260, 266, 268, 286, 308, 335, 364, 380, 385, 418, 455, 469, 490, 494, 532, 539, 572, 637, 665, 670, 715, 737, 770, 836, 871, 910, 931, 938, 980, 988, 1001, 1045, 1078, 1235, 1273, 1274, 1330, 1340, 1430, 1463, 1474, 1540, 1729, 1742, 1820, 1862, 1876, 2002, 2090, 2156, 2345, 2470, 2546, 2548, 2660, 2695, 2717, 2860, 2926, 2948, 3185, 3283, 3458, 3484, 3685, 3724, 4004, 4180, 4355, 4655, 4690, 4940, 5005, 5092, 5159, 5390, 5434, 5852, 6097, 6365, 6370, 6566, 6916, 7007, 7315, 7370, 8645, 8710, 8911, 9310, 9380, 9581, 10010, 10241, 10318, 10780, 10868, 12103, 12194, 12730, 12740, 13132, 13585, 14003, 14014, 14630, 14740, 16415, 16549, 17290, 17420, 17822, 18620, 19019, 19162, 20020, 20482, 20636, 24206, 24388, 25460, 25795, 27170, 28006, 28028, 29260, 30485, 32830, 33098, 34580, 35035, 35644, 36113, 38038, 38324, 40964, 42679, 44555, 47905, 48412, 51205, 51590, 54340, 56012, 60515, 60970, 62377, 65660, 66196, 67067, 70015, 70070, 72226, 76076, 82745, 85358, 89110, 95095, 95810, 98021, 102410, 103180, 115843, 121030, 121940, 124754, 133133, 134134, 140030, 140140, 144452, 165490, 170716, 178220, 180565, 182039, 190190, 191620, 196042, 204820, 213395, 231686, 242060, 249508, 266266, 268268, 280060, 311885, 330980, 335335, 361130, 364078, 380380, 392084, 426790, 463372, 469469, 490105, 532532, 579215, 623770, 665665, 670670, 686147, 722260, 728156, 810901, 853580, 910195, 938938, 980210, 1158430, 1247540, 1274273, 1331330, 1341340, 1372294, 1621802, 1820390, 1877876, 1960420, 2316860, 2347345, 2548546, 2662660, 2744588, 3243604, 3430735, 3640780, 4054505, 4694690, 5097092, 6371365, 6861470, 8109010, 8919911, 9389380, 12742730, 13722940, 16218020, 17839822, 25485460, 35679644, 44599555, 89199110, 178398220]

約数ペア:

[(1, 178398220), (2, 89199110), (4, 44599555), (5, 35679644), (7, 25485460), (10, 17839822), (11, 16218020), (13, 13722940), (14, 12742730), (19, 9389380), (20, 8919911), (22, 8109010), (26, 6861470), (28, 6371365), (35, 5097092), (38, 4694690), (44, 4054505), (49, 3640780), (52, 3430735), (55, 3243604), (65, 2744588), (67, 2662660), (70, 2548546), (76, 2347345), (77, 2316860), (91, 1960420), (95, 1877876), (98, 1820390), (110, 1621802), (130, 1372294), (133, 1341340), (134, 1331330), (140, 1274273), (143, 1247540), (154, 1158430), (182, 980210), (190, 938938), (196, 910195), (209, 853580), (220, 810901), (245, 728156), (247, 722260), (260, 686147), (266, 670670), (268, 665665), (286, 623770), (308, 579215), (335, 532532), (364, 490105), (380, 469469), (385, 463372), (418, 426790), (455, 392084), (469, 380380), (490, 364078), (494, 361130), (532, 335335), (539, 330980), (572, 311885), (637, 280060), (665, 268268), (670, 266266), (715, 249508), (737, 242060), (770, 231686), (836, 213395), (871, 204820), (910, 196042), (931, 191620), (938, 190190), (980, 182039), (988, 180565), (1001, 178220), (1045, 170716), (1078, 165490), (1235, 144452), (1273, 140140), (1274, 140030), (1330, 134134), (1340, 133133), (1430, 124754), (1463, 121940), (1474, 121030), (1540, 115843), (1729, 103180), (1742, 102410), (1820, 98021), (1862, 95810), (1876, 95095), (2002, 89110), (2090, 85358), (2156, 82745), (2345, 76076), (2470, 72226), (2546, 70070), (2548, 70015), (2660, 67067), (2695, 66196), (2717, 65660), (2860, 62377), (2926, 60970), (2948, 60515), (3185, 56012), (3283, 54340), (3458, 51590), (3484, 51205), (3685, 48412), (3724, 47905), (4004, 44555), (4180, 42679), (4355, 40964), (4655, 38324), (4690, 38038), (4940, 36113), (5005, 35644), (5092, 35035), (5159, 34580), (5390, 33098), (5434, 32830), (5852, 30485), (6097, 29260), (6365, 28028), (6370, 28006), (6566, 27170), (6916, 25795), (7007, 25460), (7315, 24388), (7370, 24206), (8645, 20636), (8710, 20482), (8911, 20020), (9310, 19162), (9380, 19019), (9581, 18620), (10010, 17822), (10241, 17420), (10318, 17290), (10780, 16549), (10868, 16415), (12103, 14740), (12194, 14630), (12730, 14014), (12740, 14003), (13132, 13585)]