31625020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{397}}^1\times {\mathrm{569}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 76224960

約数和(自身を除く): 44599940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 397, 569, 794, 1138, 1588, 1985, 2276, 2779, 2845, 3970, 3983, 5558, 5690, 7940, 7966, 11116, 11380, 13895, 15932, 19915, 27790, 39830, 55580, 79660, 225893, 451786, 903572, 1129465, 1581251, 2258930, 3162502, 4517860, 6325004, 7906255, 15812510, 31625020]

約数ペア:

[(1, 31625020), (2, 15812510), (4, 7906255), (5, 6325004), (7, 4517860), (10, 3162502), (14, 2258930), (20, 1581251), (28, 1129465), (35, 903572), (70, 451786), (140, 225893), (397, 79660), (569, 55580), (794, 39830), (1138, 27790), (1588, 19915), (1985, 15932), (2276, 13895), (2779, 11380), (2845, 11116), (3970, 7966), (3983, 7940), (5558, 5690)]