7986220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 18902016

約数和(自身を除く): 10915796

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1171, 1364, 1705, 2342, 3410, 4684, 5855, 6820, 11710, 12881, 23420, 25762, 36301, 51524, 64405, 72602, 128810, 145204, 181505, 257620, 363010, 399311, 726020, 798622, 1597244, 1996555, 3993110, 7986220]

約数ペア:

[(1, 7986220), (2, 3993110), (4, 1996555), (5, 1597244), (10, 798622), (11, 726020), (20, 399311), (22, 363010), (31, 257620), (44, 181505), (55, 145204), (62, 128810), (110, 72602), (124, 64405), (155, 51524), (220, 36301), (310, 25762), (341, 23420), (620, 12881), (682, 11710), (1171, 6820), (1364, 5855), (1705, 4684), (2342, 3410)]