349747820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{3851}}^1$

素因数の和:4118

約数の個数: 48

約数和(自身を含む): 776563200

約数和(自身を除く): 426815380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 239, 380, 478, 956, 1195, 2390, 3851, 4541, 4780, 7702, 9082, 15404, 18164, 19255, 22705, 38510, 45410, 73169, 77020, 90820, 146338, 292676, 365845, 731690, 920389, 1463380, 1840778, 3681556, 4601945, 9203890, 17487391, 18407780, 34974782, 69949564, 87436955, 174873910, 349747820]

約数ペア:

[(1, 349747820), (2, 174873910), (4, 87436955), (5, 69949564), (10, 34974782), (19, 18407780), (20, 17487391), (38, 9203890), (76, 4601945), (95, 3681556), (190, 1840778), (239, 1463380), (380, 920389), (478, 731690), (956, 365845), (1195, 292676), (2390, 146338), (3851, 90820), (4541, 77020), (4780, 73169), (7702, 45410), (9082, 38510), (15404, 22705), (18164, 19255)]