81750070

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 149909760

約数和(自身を除く): 68159690

約数列:

[1, 2, 5, 10, 103, 139, 206, 278, 515, 571, 695, 1030, 1142, 1390, 2855, 5710, 14317, 28634, 58813, 71585, 79369, 117626, 143170, 158738, 294065, 396845, 588130, 793690, 8175007, 16350014, 40875035, 81750070]

約数ペア:

[(1, 81750070), (2, 40875035), (5, 16350014), (10, 8175007), (103, 793690), (139, 588130), (206, 396845), (278, 294065), (515, 158738), (571, 143170), (695, 117626), (1030, 79369), (1142, 71585), (1390, 58813), (2855, 28634), (5710, 14317)]