77992420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{1471}}^1$

素因数の和:1732

約数の個数: 48

約数和(自身を含む): 179536896

約数和(自身を除く): 101544476

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 241, 482, 964, 1205, 1471, 2410, 2651, 2942, 4820, 5302, 5884, 7355, 10604, 13255, 14710, 16181, 26510, 29420, 32362, 53020, 64724, 80905, 161810, 323620, 354511, 709022, 1418044, 1772555, 3545110, 3899621, 7090220, 7799242, 15598484, 19498105, 38996210, 77992420]

約数ペア:

[(1, 77992420), (2, 38996210), (4, 19498105), (5, 15598484), (10, 7799242), (11, 7090220), (20, 3899621), (22, 3545110), (44, 1772555), (55, 1418044), (110, 709022), (220, 354511), (241, 323620), (482, 161810), (964, 80905), (1205, 64724), (1471, 53020), (2410, 32362), (2651, 29420), (2942, 26510), (4820, 16181), (5302, 14710), (5884, 13255), (7355, 10604)]