207070820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{3499}}^1$

素因数の和:3788

約数の個数: 48

約数和(自身を含む): 476280000

約数和(自身を除く): 269209180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 538, 1076, 1345, 2690, 2959, 3499, 5380, 5918, 6998, 11836, 13996, 14795, 17495, 29590, 34990, 38489, 59180, 69980, 76978, 153956, 192445, 384890, 769780, 941231, 1882462, 3764924, 4706155, 9412310, 10353541, 18824620, 20707082, 41414164, 51767705, 103535410, 207070820]

約数ペア:

[(1, 207070820), (2, 103535410), (4, 51767705), (5, 41414164), (10, 20707082), (11, 18824620), (20, 10353541), (22, 9412310), (44, 4706155), (55, 3764924), (110, 1882462), (220, 941231), (269, 769780), (538, 384890), (1076, 192445), (1345, 153956), (2690, 76978), (2959, 69980), (3499, 59180), (5380, 38489), (5918, 34990), (6998, 29590), (11836, 17495), (13996, 14795)]