858062020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1\times {\mathrm{2719}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 1864396800

約数和(自身を除く): 1006334780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 509, 620, 1018, 2036, 2545, 2719, 5090, 5438, 10180, 10876, 13595, 15779, 27190, 31558, 54380, 63116, 78895, 84289, 157790, 168578, 315580, 337156, 421445, 842890, 1383971, 1685780, 2767942, 5535884, 6919855, 13839710, 27679420, 42903101, 85806202, 171612404, 214515505, 429031010, 858062020]

約数ペア:

[(1, 858062020), (2, 429031010), (4, 214515505), (5, 171612404), (10, 85806202), (20, 42903101), (31, 27679420), (62, 13839710), (124, 6919855), (155, 5535884), (310, 2767942), (509, 1685780), (620, 1383971), (1018, 842890), (2036, 421445), (2545, 337156), (2719, 315580), (5090, 168578), (5438, 157790), (10180, 84289), (10876, 78895), (13595, 63116), (15779, 54380), (27190, 31558)]