12849260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{223}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 28148736

約数和(自身を除く): 15299476

約数列:

[1, 2, 4, 5, 10, 20, 43, 67, 86, 134, 172, 215, 223, 268, 335, 430, 446, 670, 860, 892, 1115, 1340, 2230, 2881, 4460, 5762, 9589, 11524, 14405, 14941, 19178, 28810, 29882, 38356, 47945, 57620, 59764, 74705, 95890, 149410, 191780, 298820, 642463, 1284926, 2569852, 3212315, 6424630, 12849260]

約数ペア:

[(1, 12849260), (2, 6424630), (4, 3212315), (5, 2569852), (10, 1284926), (20, 642463), (43, 298820), (67, 191780), (86, 149410), (134, 95890), (172, 74705), (215, 59764), (223, 57620), (268, 47945), (335, 38356), (430, 29882), (446, 28810), (670, 19178), (860, 14941), (892, 14405), (1115, 11524), (1340, 9589), (2230, 5762), (2881, 4460)]