88890620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{17}}^2$

素因数の和:89

約数の個数: 144

約数和(自身を含む): 245501760

約数和(自身を除く): 156611140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 169, 170, 182, 221, 238, 260, 289, 338, 340, 364, 442, 455, 476, 578, 595, 676, 845, 884, 910, 1105, 1156, 1183, 1190, 1445, 1547, 1690, 1820, 2023, 2197, 2210, 2366, 2380, 2873, 2890, 3094, 3380, 3757, 4046, 4394, 4420, 4732, 5746, 5780, 5915, 6188, 7514, 7735, 8092, 8788, 10115, 10985, 11492, 11830, 14365, 15028, 15379, 15470, 18785, 20111, 20230, 21970, 23660, 26299, 28730, 30758, 30940, 37349, 37570, 40222, 40460, 43940, 48841, 52598, 57460, 61516, 74698, 75140, 76895, 80444, 97682, 100555, 105196, 131495, 149396, 153790, 186745, 195364, 201110, 244205, 261443, 262990, 307580, 341887, 373490, 402220, 488410, 522886, 525980, 634933, 683774, 746980, 976820, 1045772, 1269866, 1307215, 1367548, 1709435, 2539732, 2614430, 3174665, 3418870, 4444531, 5228860, 6349330, 6837740, 8889062, 12698660, 17778124, 22222655, 44445310, 88890620]

約数ペア:

[(1, 88890620), (2, 44445310), (4, 22222655), (5, 17778124), (7, 12698660), (10, 8889062), (13, 6837740), (14, 6349330), (17, 5228860), (20, 4444531), (26, 3418870), (28, 3174665), (34, 2614430), (35, 2539732), (52, 1709435), (65, 1367548), (68, 1307215), (70, 1269866), (85, 1045772), (91, 976820), (119, 746980), (130, 683774), (140, 634933), (169, 525980), (170, 522886), (182, 488410), (221, 402220), (238, 373490), (260, 341887), (289, 307580), (338, 262990), (340, 261443), (364, 244205), (442, 201110), (455, 195364), (476, 186745), (578, 153790), (595, 149396), (676, 131495), (845, 105196), (884, 100555), (910, 97682), (1105, 80444), (1156, 76895), (1183, 75140), (1190, 74698), (1445, 61516), (1547, 57460), (1690, 52598), (1820, 48841), (2023, 43940), (2197, 40460), (2210, 40222), (2366, 37570), (2380, 37349), (2873, 30940), (2890, 30758), (3094, 28730), (3380, 26299), (3757, 23660), (4046, 21970), (4394, 20230), (4420, 20111), (4732, 18785), (5746, 15470), (5780, 15379), (5915, 15028), (6188, 14365), (7514, 11830), (7735, 11492), (8092, 10985), (8788, 10115)]