28623560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{677}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 74200320

約数和(自身を除く): 45576760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 604, 677, 755, 1057, 1208, 1354, 1510, 2114, 2708, 3020, 3385, 4228, 4739, 5285, 5416, 6040, 6770, 8456, 9478, 10570, 13540, 18956, 21140, 23695, 27080, 37912, 42280, 47390, 94780, 102227, 189560, 204454, 408908, 511135, 715589, 817816, 1022270, 1431178, 2044540, 2862356, 3577945, 4089080, 5724712, 7155890, 14311780, 28623560]

約数ペア:

[(1, 28623560), (2, 14311780), (4, 7155890), (5, 5724712), (7, 4089080), (8, 3577945), (10, 2862356), (14, 2044540), (20, 1431178), (28, 1022270), (35, 817816), (40, 715589), (56, 511135), (70, 408908), (140, 204454), (151, 189560), (280, 102227), (302, 94780), (604, 47390), (677, 42280), (755, 37912), (1057, 27080), (1208, 23695), (1354, 21140), (1510, 18956), (2114, 13540), (2708, 10570), (3020, 9478), (3385, 8456), (4228, 6770), (4739, 6040), (5285, 5416)]