69923740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{241}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 150020640

約数和(自身を除く): 80096900

約数列:

[1, 2, 4, 5, 10, 20, 89, 163, 178, 241, 326, 356, 445, 482, 652, 815, 890, 964, 1205, 1630, 1780, 2410, 3260, 4820, 14507, 21449, 29014, 39283, 42898, 58028, 72535, 78566, 85796, 107245, 145070, 157132, 196415, 214490, 290140, 392830, 428980, 785660, 3496187, 6992374, 13984748, 17480935, 34961870, 69923740]

約数ペア:

[(1, 69923740), (2, 34961870), (4, 17480935), (5, 13984748), (10, 6992374), (20, 3496187), (89, 785660), (163, 428980), (178, 392830), (241, 290140), (326, 214490), (356, 196415), (445, 157132), (482, 145070), (652, 107245), (815, 85796), (890, 78566), (964, 72535), (1205, 58028), (1630, 42898), (1780, 39283), (2410, 29014), (3260, 21449), (4820, 14507)]