489676940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{5581}}^1$

素因数の和:5738

約数の個数: 48

約数和(自身を含む): 1063437984

約数和(自身を除く): 573761044

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 107, 164, 205, 214, 410, 428, 535, 820, 1070, 2140, 4387, 5581, 8774, 11162, 17548, 21935, 22324, 27905, 43870, 55810, 87740, 111620, 228821, 457642, 597167, 915284, 1144105, 1194334, 2288210, 2388668, 2985835, 4576420, 5971670, 11943340, 24483847, 48967694, 97935388, 122419235, 244838470, 489676940]

約数ペア:

[(1, 489676940), (2, 244838470), (4, 122419235), (5, 97935388), (10, 48967694), (20, 24483847), (41, 11943340), (82, 5971670), (107, 4576420), (164, 2985835), (205, 2388668), (214, 2288210), (410, 1194334), (428, 1144105), (535, 915284), (820, 597167), (1070, 457642), (2140, 228821), (4387, 111620), (5581, 87740), (8774, 55810), (11162, 43870), (17548, 27905), (21935, 22324)]