8828180

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 19837440

約数和(自身を除く): 11009260

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 491, 580, 620, 899, 982, 1798, 1964, 2455, 3596, 4495, 4910, 8990, 9820, 14239, 15221, 17980, 28478, 30442, 56956, 60884, 71195, 76105, 142390, 152210, 284780, 304420, 441409, 882818, 1765636, 2207045, 4414090, 8828180]

約数ペア:

[(1, 8828180), (2, 4414090), (4, 2207045), (5, 1765636), (10, 882818), (20, 441409), (29, 304420), (31, 284780), (58, 152210), (62, 142390), (116, 76105), (124, 71195), (145, 60884), (155, 56956), (290, 30442), (310, 28478), (491, 17980), (580, 15221), (620, 14239), (899, 9820), (982, 8990), (1798, 4910), (1964, 4495), (2455, 3596)]