201568820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{3917}}^1$

素因数の和:4040

約数の個数: 48

約数和(自身を含む): 442326528

約数和(自身を除く): 240757708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1660, 2573, 3917, 5146, 7834, 10292, 12865, 15668, 19585, 25730, 39170, 51460, 78340, 121427, 242854, 325111, 485708, 607135, 650222, 1214270, 1300444, 1625555, 2428540, 3251110, 6502220, 10078441, 20156882, 40313764, 50392205, 100784410, 201568820]

約数ペア:

[(1, 201568820), (2, 100784410), (4, 50392205), (5, 40313764), (10, 20156882), (20, 10078441), (31, 6502220), (62, 3251110), (83, 2428540), (124, 1625555), (155, 1300444), (166, 1214270), (310, 650222), (332, 607135), (415, 485708), (620, 325111), (830, 242854), (1660, 121427), (2573, 78340), (3917, 51460), (5146, 39170), (7834, 25730), (10292, 19585), (12865, 15668)]