89735620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:365

約数の個数: 72

約数和(自身を含む): 206599680

約数和(自身を除く): 116864060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 139, 169, 191, 260, 278, 338, 382, 556, 676, 695, 764, 845, 955, 1390, 1690, 1807, 1910, 2483, 2780, 3380, 3614, 3820, 4966, 7228, 9035, 9932, 12415, 18070, 23491, 24830, 26549, 32279, 36140, 46982, 49660, 53098, 64558, 93964, 106196, 117455, 129116, 132745, 161395, 234910, 265490, 322790, 345137, 469820, 530980, 645580, 690274, 1380548, 1725685, 3451370, 4486781, 6902740, 8973562, 17947124, 22433905, 44867810, 89735620]

約数ペア:

[(1, 89735620), (2, 44867810), (4, 22433905), (5, 17947124), (10, 8973562), (13, 6902740), (20, 4486781), (26, 3451370), (52, 1725685), (65, 1380548), (130, 690274), (139, 645580), (169, 530980), (191, 469820), (260, 345137), (278, 322790), (338, 265490), (382, 234910), (556, 161395), (676, 132745), (695, 129116), (764, 117455), (845, 106196), (955, 93964), (1390, 64558), (1690, 53098), (1807, 49660), (1910, 46982), (2483, 36140), (2780, 32279), (3380, 26549), (3614, 24830), (3820, 23491), (4966, 18070), (7228, 12415), (9035, 9932)]