30416980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12569}}^1$

素因数の和:12600

約数の個数: 36

約数和(自身を含む): 70216020

約数和(自身を除く): 39799040

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12569, 25138, 50276, 62845, 125690, 138259, 251380, 276518, 553036, 691295, 1382590, 1520849, 2765180, 3041698, 6083396, 7604245, 15208490, 30416980]

約数ペア:

[(1, 30416980), (2, 15208490), (4, 7604245), (5, 6083396), (10, 3041698), (11, 2765180), (20, 1520849), (22, 1382590), (44, 691295), (55, 553036), (110, 276518), (121, 251380), (220, 138259), (242, 125690), (484, 62845), (605, 50276), (1210, 25138), (2420, 12569)]