74369020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 72

約数和(自身を含む): 174283200

約数和(自身を除く): 99914180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 121, 158, 220, 242, 316, 389, 395, 484, 605, 778, 790, 869, 1210, 1556, 1580, 1738, 1945, 2420, 3476, 3890, 4279, 4345, 7780, 8558, 8690, 9559, 17116, 17380, 19118, 21395, 30731, 38236, 42790, 47069, 47795, 61462, 85580, 94138, 95590, 122924, 153655, 188276, 191180, 235345, 307310, 338041, 470690, 614620, 676082, 941380, 1352164, 1690205, 3380410, 3718451, 6760820, 7436902, 14873804, 18592255, 37184510, 74369020]

約数ペア:

[(1, 74369020), (2, 37184510), (4, 18592255), (5, 14873804), (10, 7436902), (11, 6760820), (20, 3718451), (22, 3380410), (44, 1690205), (55, 1352164), (79, 941380), (110, 676082), (121, 614620), (158, 470690), (220, 338041), (242, 307310), (316, 235345), (389, 191180), (395, 188276), (484, 153655), (605, 122924), (778, 95590), (790, 94138), (869, 85580), (1210, 61462), (1556, 47795), (1580, 47069), (1738, 42790), (1945, 38236), (2420, 30731), (3476, 21395), (3890, 19118), (4279, 17380), (4345, 17116), (7780, 9559), (8558, 8690)]