209273220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{523}}^1$

素因数の和:576

約数の個数: 240

約数和(自身を含む): 745631040

約数和(自身を除く): 536357820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 26, 27, 30, 36, 38, 39, 45, 52, 54, 57, 60, 65, 76, 78, 81, 90, 95, 108, 114, 117, 130, 135, 156, 162, 171, 180, 190, 195, 228, 234, 247, 260, 270, 285, 324, 342, 351, 380, 390, 405, 468, 494, 513, 523, 540, 570, 585, 684, 702, 741, 780, 810, 855, 988, 1026, 1046, 1053, 1140, 1170, 1235, 1404, 1482, 1539, 1569, 1620, 1710, 1755, 2052, 2092, 2106, 2223, 2340, 2470, 2565, 2615, 2964, 3078, 3138, 3420, 3510, 3705, 4212, 4446, 4707, 4940, 5130, 5230, 5265, 6156, 6276, 6669, 6799, 7020, 7410, 7695, 7845, 8892, 9414, 9937, 10260, 10460, 10530, 11115, 13338, 13598, 14121, 14820, 15390, 15690, 18828, 19874, 20007, 20397, 21060, 22230, 23535, 26676, 27196, 28242, 29811, 30780, 31380, 33345, 33995, 39748, 40014, 40794, 42363, 44460, 47070, 49685, 56484, 59622, 61191, 66690, 67990, 70605, 80028, 81588, 84726, 89433, 94140, 99370, 100035, 101985, 119244, 122382, 129181, 133380, 135980, 141210, 149055, 169452, 178866, 183573, 198740, 200070, 203970, 211815, 244764, 258362, 268299, 282420, 298110, 305955, 357732, 367146, 387543, 400140, 407940, 423630, 447165, 516724, 536598, 550719, 596220, 611910, 645905, 734292, 775086, 804897, 847260, 894330, 917865, 1073196, 1101438, 1162629, 1223820, 1291810, 1341495, 1550172, 1609794, 1788660, 1835730, 1937715, 2202876, 2325258, 2583620, 2682990, 2753595, 3219588, 3487887, 3671460, 3875430, 4024485, 4650516, 5365980, 5507190, 5813145, 6975774, 7750860, 8048970, 10463661, 11014380, 11626290, 13951548, 16097940, 17439435, 20927322, 23252580, 34878870, 41854644, 52318305, 69757740, 104636610, 209273220]

約数ペア:

[(1, 209273220), (2, 104636610), (3, 69757740), (4, 52318305), (5, 41854644), (6, 34878870), (9, 23252580), (10, 20927322), (12, 17439435), (13, 16097940), (15, 13951548), (18, 11626290), (19, 11014380), (20, 10463661), (26, 8048970), (27, 7750860), (30, 6975774), (36, 5813145), (38, 5507190), (39, 5365980), (45, 4650516), (52, 4024485), (54, 3875430), (57, 3671460), (60, 3487887), (65, 3219588), (76, 2753595), (78, 2682990), (81, 2583620), (90, 2325258), (95, 2202876), (108, 1937715), (114, 1835730), (117, 1788660), (130, 1609794), (135, 1550172), (156, 1341495), (162, 1291810), (171, 1223820), (180, 1162629), (190, 1101438), (195, 1073196), (228, 917865), (234, 894330), (247, 847260), (260, 804897), (270, 775086), (285, 734292), (324, 645905), (342, 611910), (351, 596220), (380, 550719), (390, 536598), (405, 516724), (468, 447165), (494, 423630), (513, 407940), (523, 400140), (540, 387543), (570, 367146), (585, 357732), (684, 305955), (702, 298110), (741, 282420), (780, 268299), (810, 258362), (855, 244764), (988, 211815), (1026, 203970), (1046, 200070), (1053, 198740), (1140, 183573), (1170, 178866), (1235, 169452), (1404, 149055), (1482, 141210), (1539, 135980), (1569, 133380), (1620, 129181), (1710, 122382), (1755, 119244), (2052, 101985), (2092, 100035), (2106, 99370), (2223, 94140), (2340, 89433), (2470, 84726), (2565, 81588), (2615, 80028), (2964, 70605), (3078, 67990), (3138, 66690), (3420, 61191), (3510, 59622), (3705, 56484), (4212, 49685), (4446, 47070), (4707, 44460), (4940, 42363), (5130, 40794), (5230, 40014), (5265, 39748), (6156, 33995), (6276, 33345), (6669, 31380), (6799, 30780), (7020, 29811), (7410, 28242), (7695, 27196), (7845, 26676), (8892, 23535), (9414, 22230), (9937, 21060), (10260, 20397), (10460, 20007), (10530, 19874), (11115, 18828), (13338, 15690), (13598, 15390), (14121, 14820)]