77474980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1669}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 178436160

約数和(自身を除く): 100961180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1669, 2110, 2321, 3338, 4220, 4642, 6676, 8345, 9284, 11605, 16690, 18359, 23210, 33380, 36718, 46420, 73436, 91795, 183590, 352159, 367180, 704318, 1408636, 1760795, 3521590, 3873749, 7043180, 7747498, 15494996, 19368745, 38737490, 77474980]

約数ペア:

[(1, 77474980), (2, 38737490), (4, 19368745), (5, 15494996), (10, 7747498), (11, 7043180), (20, 3873749), (22, 3521590), (44, 1760795), (55, 1408636), (110, 704318), (211, 367180), (220, 352159), (422, 183590), (844, 91795), (1055, 73436), (1669, 46420), (2110, 36718), (2321, 33380), (3338, 23210), (4220, 18359), (4642, 16690), (6676, 11605), (8345, 9284)]