74909900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1$

素因数の和:2043

約数の個数: 72

約数和(自身を含む): 181186320

約数和(自身を除く): 106276420

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, 1300, 1450, 1508, 1885, 1987, 2900, 3770, 3974, 7540, 7948, 9425, 9935, 18850, 19870, 25831, 37700, 39740, 49675, 51662, 57623, 99350, 103324, 115246, 129155, 198700, 230492, 258310, 288115, 516620, 576230, 645775, 749099, 1152460, 1291550, 1440575, 1498198, 2583100, 2881150, 2996396, 3745495, 5762300, 7490990, 14981980, 18727475, 37454950, 74909900]

約数ペア:

[(1, 74909900), (2, 37454950), (4, 18727475), (5, 14981980), (10, 7490990), (13, 5762300), (20, 3745495), (25, 2996396), (26, 2881150), (29, 2583100), (50, 1498198), (52, 1440575), (58, 1291550), (65, 1152460), (100, 749099), (116, 645775), (130, 576230), (145, 516620), (260, 288115), (290, 258310), (325, 230492), (377, 198700), (580, 129155), (650, 115246), (725, 103324), (754, 99350), (1300, 57623), (1450, 51662), (1508, 49675), (1885, 39740), (1987, 37700), (2900, 25831), (3770, 19870), (3974, 18850), (7540, 9935), (7948, 9425)]