87129220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1579}}^1$

素因数の和:1708

約数の個数: 48

約数和(自身を含む): 191116800

約数和(自身を除く): 103987580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1579, 1780, 2759, 3158, 5518, 6316, 7895, 11036, 13795, 15790, 27590, 31580, 48949, 55180, 97898, 140531, 195796, 244745, 281062, 489490, 562124, 702655, 978980, 1405310, 2810620, 4356461, 8712922, 17425844, 21782305, 43564610, 87129220]

約数ペア:

[(1, 87129220), (2, 43564610), (4, 21782305), (5, 17425844), (10, 8712922), (20, 4356461), (31, 2810620), (62, 1405310), (89, 978980), (124, 702655), (155, 562124), (178, 489490), (310, 281062), (356, 244745), (445, 195796), (620, 140531), (890, 97898), (1579, 55180), (1780, 48949), (2759, 31580), (3158, 27590), (5518, 15790), (6316, 13795), (7895, 11036)]