31159340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1733}}^1$

素因数の和:1802

約数の個数: 48

約数和(自身を含む): 69914880

約数和(自身を除く): 38755540

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 116, 124, 145, 155, 290, 310, 580, 620, 899, 1733, 1798, 3466, 3596, 4495, 6932, 8665, 8990, 17330, 17980, 34660, 50257, 53723, 100514, 107446, 201028, 214892, 251285, 268615, 502570, 537230, 1005140, 1074460, 1557967, 3115934, 6231868, 7789835, 15579670, 31159340]

約数ペア:

[(1, 31159340), (2, 15579670), (4, 7789835), (5, 6231868), (10, 3115934), (20, 1557967), (29, 1074460), (31, 1005140), (58, 537230), (62, 502570), (116, 268615), (124, 251285), (145, 214892), (155, 201028), (290, 107446), (310, 100514), (580, 53723), (620, 50257), (899, 34660), (1733, 17980), (1798, 17330), (3466, 8990), (3596, 8665), (4495, 6932)]