218045260

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{3571}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 475276032

約数和(自身を除く): 257230772

約数列:

[1, 2, 4, 5, 10, 20, 43, 71, 86, 142, 172, 215, 284, 355, 430, 710, 860, 1420, 3053, 3571, 6106, 7142, 12212, 14284, 15265, 17855, 30530, 35710, 61060, 71420, 153553, 253541, 307106, 507082, 614212, 767765, 1014164, 1267705, 1535530, 2535410, 3071060, 5070820, 10902263, 21804526, 43609052, 54511315, 109022630, 218045260]

約数ペア:

[(1, 218045260), (2, 109022630), (4, 54511315), (5, 43609052), (10, 21804526), (20, 10902263), (43, 5070820), (71, 3071060), (86, 2535410), (142, 1535530), (172, 1267705), (215, 1014164), (284, 767765), (355, 614212), (430, 507082), (710, 307106), (860, 253541), (1420, 153553), (3053, 71420), (3571, 61060), (6106, 35710), (7142, 30530), (12212, 17855), (14284, 15265)]