1680788690

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{110651}}^1$

素因数の和:110703

約数の個数: 48

約数和(自身を含む): 3632926464

約数和(自身を除く): 1952137774

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1519, 2170, 3038, 7595, 15190, 110651, 221302, 553255, 774557, 1106510, 1549114, 3430181, 3872785, 5421899, 6860362, 7745570, 10843798, 17150905, 24011267, 27109495, 34301810, 48022534, 54218990, 120056335, 168078869, 240112670, 336157738, 840394345, 1680788690]

約数ペア:

[(1, 1680788690), (2, 840394345), (5, 336157738), (7, 240112670), (10, 168078869), (14, 120056335), (31, 54218990), (35, 48022534), (49, 34301810), (62, 27109495), (70, 24011267), (98, 17150905), (155, 10843798), (217, 7745570), (245, 6860362), (310, 5421899), (434, 3872785), (490, 3430181), (1085, 1549114), (1519, 1106510), (2170, 774557), (3038, 553255), (7595, 221302), (15190, 110651)]