30122620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:798

約数の個数: 48

約数和(自身を含む): 69400800

約数和(自身を除く): 39278180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 509, 538, 1018, 1076, 1345, 2036, 2545, 2690, 2959, 5090, 5380, 5599, 5918, 10180, 11198, 11836, 14795, 22396, 27995, 29590, 55990, 59180, 111980, 136921, 273842, 547684, 684605, 1369210, 1506131, 2738420, 3012262, 6024524, 7530655, 15061310, 30122620]

約数ペア:

[(1, 30122620), (2, 15061310), (4, 7530655), (5, 6024524), (10, 3012262), (11, 2738420), (20, 1506131), (22, 1369210), (44, 684605), (55, 547684), (110, 273842), (220, 136921), (269, 111980), (509, 59180), (538, 55990), (1018, 29590), (1076, 27995), (1345, 22396), (2036, 14795), (2545, 11836), (2690, 11198), (2959, 10180), (5090, 5918), (5380, 5599)]