686129620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1097}}^1\times {\mathrm{2843}}^1$

素因数の和:3960

約数の個数: 48

約数和(自身を含む): 1573846848

約数和(自身を除く): 887717228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1097, 2194, 2843, 4388, 5485, 5686, 10970, 11372, 12067, 14215, 21940, 24134, 28430, 31273, 48268, 56860, 60335, 62546, 120670, 125092, 156365, 241340, 312730, 625460, 3118771, 6237542, 12475084, 15593855, 31187710, 34306481, 62375420, 68612962, 137225924, 171532405, 343064810, 686129620]

約数ペア:

[(1, 686129620), (2, 343064810), (4, 171532405), (5, 137225924), (10, 68612962), (11, 62375420), (20, 34306481), (22, 31187710), (44, 15593855), (55, 12475084), (110, 6237542), (220, 3118771), (1097, 625460), (2194, 312730), (2843, 241340), (4388, 156365), (5485, 125092), (5686, 120670), (10970, 62546), (11372, 60335), (12067, 56860), (14215, 48268), (21940, 31273), (24134, 28430)]