291427340

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{3167}}^1$

素因数の和:3326

約数の個数: 48

約数和(自身を含む): 632282112

約数和(自身を除く): 340854772

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 107, 172, 214, 215, 428, 430, 535, 860, 1070, 2140, 3167, 4601, 6334, 9202, 12668, 15835, 18404, 23005, 31670, 46010, 63340, 92020, 136181, 272362, 338869, 544724, 677738, 680905, 1355476, 1361810, 1694345, 2723620, 3388690, 6777380, 14571367, 29142734, 58285468, 72856835, 145713670, 291427340]

約数ペア:

[(1, 291427340), (2, 145713670), (4, 72856835), (5, 58285468), (10, 29142734), (20, 14571367), (43, 6777380), (86, 3388690), (107, 2723620), (172, 1694345), (214, 1361810), (215, 1355476), (428, 680905), (430, 677738), (535, 544724), (860, 338869), (1070, 272362), (2140, 136181), (3167, 92020), (4601, 63340), (6334, 46010), (9202, 31670), (12668, 23005), (15835, 18404)]