2390800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:200

約数の個数: 60

約数和(自身を含む): 5919760

約数和(自身を除く): 3528960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 139, 172, 200, 215, 278, 344, 400, 430, 556, 688, 695, 860, 1075, 1112, 1390, 1720, 2150, 2224, 2780, 3440, 3475, 4300, 5560, 5977, 6950, 8600, 11120, 11954, 13900, 17200, 23908, 27800, 29885, 47816, 55600, 59770, 95632, 119540, 149425, 239080, 298850, 478160, 597700, 1195400, 2390800]

約数ペア:

[(1, 2390800), (2, 1195400), (4, 597700), (5, 478160), (8, 298850), (10, 239080), (16, 149425), (20, 119540), (25, 95632), (40, 59770), (43, 55600), (50, 47816), (80, 29885), (86, 27800), (100, 23908), (139, 17200), (172, 13900), (200, 11954), (215, 11120), (278, 8600), (344, 6950), (400, 5977), (430, 5560), (556, 4300), (688, 3475), (695, 3440), (860, 2780), (1075, 2224), (1112, 2150), (1390, 1720)]