31177900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{827}}^1$

素因数の和:883

約数の個数: 72

約数和(自身を含む): 75463920

約数和(自身を除く): 44286020

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 29, 50, 52, 58, 65, 100, 116, 130, 145, 260, 290, 325, 377, 580, 650, 725, 754, 827, 1300, 1450, 1508, 1654, 1885, 2900, 3308, 3770, 4135, 7540, 8270, 9425, 10751, 16540, 18850, 20675, 21502, 23983, 37700, 41350, 43004, 47966, 53755, 82700, 95932, 107510, 119915, 215020, 239830, 268775, 311779, 479660, 537550, 599575, 623558, 1075100, 1199150, 1247116, 1558895, 2398300, 3117790, 6235580, 7794475, 15588950, 31177900]

約数ペア:

[(1, 31177900), (2, 15588950), (4, 7794475), (5, 6235580), (10, 3117790), (13, 2398300), (20, 1558895), (25, 1247116), (26, 1199150), (29, 1075100), (50, 623558), (52, 599575), (58, 537550), (65, 479660), (100, 311779), (116, 268775), (130, 239830), (145, 215020), (260, 119915), (290, 107510), (325, 95932), (377, 82700), (580, 53755), (650, 47966), (725, 43004), (754, 41350), (827, 37700), (1300, 23983), (1450, 21502), (1508, 20675), (1654, 18850), (1885, 16540), (2900, 10751), (3308, 9425), (3770, 8270), (4135, 7540)]