30395740

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 65640960

約数和(自身を除く): 35245220

約数列:

[1, 2, 4, 5, 10, 20, 73, 109, 146, 191, 218, 292, 365, 382, 436, 545, 730, 764, 955, 1090, 1460, 1910, 2180, 3820, 7957, 13943, 15914, 20819, 27886, 31828, 39785, 41638, 55772, 69715, 79570, 83276, 104095, 139430, 159140, 208190, 278860, 416380, 1519787, 3039574, 6079148, 7598935, 15197870, 30395740]

約数ペア:

[(1, 30395740), (2, 15197870), (4, 7598935), (5, 6079148), (10, 3039574), (20, 1519787), (73, 416380), (109, 278860), (146, 208190), (191, 159140), (218, 139430), (292, 104095), (365, 83276), (382, 79570), (436, 69715), (545, 55772), (730, 41638), (764, 39785), (955, 31828), (1090, 27886), (1460, 20819), (1910, 15914), (2180, 13943), (3820, 7957)]