31207460

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 68040000

約数和(自身を除く): 36832540

約数列:

[1, 2, 4, 5, 10, 20, 53, 59, 106, 118, 212, 236, 265, 295, 499, 530, 590, 998, 1060, 1180, 1996, 2495, 3127, 4990, 6254, 9980, 12508, 15635, 26447, 29441, 31270, 52894, 58882, 62540, 105788, 117764, 132235, 147205, 264470, 294410, 528940, 588820, 1560373, 3120746, 6241492, 7801865, 15603730, 31207460]

約数ペア:

[(1, 31207460), (2, 15603730), (4, 7801865), (5, 6241492), (10, 3120746), (20, 1560373), (53, 588820), (59, 528940), (106, 294410), (118, 264470), (212, 147205), (236, 132235), (265, 117764), (295, 105788), (499, 62540), (530, 58882), (590, 52894), (998, 31270), (1060, 29441), (1180, 26447), (1996, 15635), (2495, 12508), (3127, 9980), (4990, 6254)]