128415620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{233}}^1\times {\mathrm{1621}}^1$

素因数の和:1880

約数の個数: 48

約数和(自身を含む): 286938288

約数和(自身を除く): 158522668

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 233, 340, 466, 932, 1165, 1621, 2330, 3242, 3961, 4660, 6484, 7922, 8105, 15844, 16210, 19805, 27557, 32420, 39610, 55114, 79220, 110228, 137785, 275570, 377693, 551140, 755386, 1510772, 1888465, 3776930, 6420781, 7553860, 12841562, 25683124, 32103905, 64207810, 128415620]

約数ペア:

[(1, 128415620), (2, 64207810), (4, 32103905), (5, 25683124), (10, 12841562), (17, 7553860), (20, 6420781), (34, 3776930), (68, 1888465), (85, 1510772), (170, 755386), (233, 551140), (340, 377693), (466, 275570), (932, 137785), (1165, 110228), (1621, 79220), (2330, 55114), (3242, 39610), (3961, 32420), (4660, 27557), (6484, 19805), (7922, 16210), (8105, 15844)]