220122890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{461}}^1\times {\mathrm{3673}}^1$

素因数の和:4154

約数の個数: 32

約数和(自身を含む): 427741776

約数和(自身を除く): 207618886

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 461, 922, 2305, 3673, 4610, 5993, 7346, 11986, 18365, 29965, 36730, 47749, 59930, 95498, 238745, 477490, 1693253, 3386506, 8466265, 16932530, 22012289, 44024578, 110061445, 220122890]

約数ペア:

[(1, 220122890), (2, 110061445), (5, 44024578), (10, 22012289), (13, 16932530), (26, 8466265), (65, 3386506), (130, 1693253), (461, 477490), (922, 238745), (2305, 95498), (3673, 59930), (4610, 47749), (5993, 36730), (7346, 29965), (11986, 18365)]