1591400

素因数分解:

$2^3\times 5^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 3785100

約数和(自身を除く): 2193700

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 73, 100, 109, 146, 200, 218, 292, 365, 436, 545, 584, 730, 872, 1090, 1460, 1825, 2180, 2725, 2920, 3650, 4360, 5450, 7300, 7957, 10900, 14600, 15914, 21800, 31828, 39785, 63656, 79570, 159140, 198925, 318280, 397850, 795700, 1591400]

約数ペア:

[(1, 1591400), (2, 795700), (4, 397850), (5, 318280), (8, 198925), (10, 159140), (20, 79570), (25, 63656), (40, 39785), (50, 31828), (73, 21800), (100, 15914), (109, 14600), (146, 10900), (200, 7957), (218, 7300), (292, 5450), (365, 4360), (436, 3650), (545, 2920), (584, 2725), (730, 2180), (872, 1825), (1090, 1460)]