258680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 604800

約数和(自身を除く): 346120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 223, 232, 290, 446, 580, 892, 1115, 1160, 1784, 2230, 4460, 6467, 8920, 12934, 25868, 32335, 51736, 64670, 129340, 258680]

約数ペア:

[(1, 258680), (2, 129340), (4, 64670), (5, 51736), (8, 32335), (10, 25868), (20, 12934), (29, 8920), (40, 6467), (58, 4460), (116, 2230), (145, 1784), (223, 1160), (232, 1115), (290, 892), (446, 580)]