308137970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{557}}^1\times {\mathrm{1129}}^1$

素因数の和:1707

約数の個数: 48

約数和(自身を含む): 646934040

約数和(自身を除く): 338796070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 557, 1114, 1129, 2258, 2785, 3899, 5570, 5645, 7798, 7903, 11290, 15806, 19495, 27293, 38990, 39515, 54586, 55321, 79030, 110642, 136465, 272930, 276605, 553210, 628853, 1257706, 3144265, 4401971, 6288530, 8803942, 22009855, 30813797, 44019710, 61627594, 154068985, 308137970]

約数ペア:

[(1, 308137970), (2, 154068985), (5, 61627594), (7, 44019710), (10, 30813797), (14, 22009855), (35, 8803942), (49, 6288530), (70, 4401971), (98, 3144265), (245, 1257706), (490, 628853), (557, 553210), (1114, 276605), (1129, 272930), (2258, 136465), (2785, 110642), (3899, 79030), (5570, 55321), (5645, 54586), (7798, 39515), (7903, 38990), (11290, 27293), (15806, 19495)]