89900440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{321073}}^1$

素因数の和:321091

約数の個数: 32

約数和(自身を含む): 231173280

約数和(自身を除く): 141272840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 321073, 642146, 1284292, 1605365, 2247511, 2568584, 3210730, 4495022, 6421460, 8990044, 11237555, 12842920, 17980088, 22475110, 44950220, 89900440]

約数ペア:

[(1, 89900440), (2, 44950220), (4, 22475110), (5, 17980088), (7, 12842920), (8, 11237555), (10, 8990044), (14, 6421460), (20, 4495022), (28, 3210730), (35, 2568584), (40, 2247511), (56, 1605365), (70, 1284292), (140, 642146), (280, 321073)]