1330578140

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{423751}}^1$

素因数の和:423917

約数の個数: 24

約数和(自身を含む): 2812018272

約数和(自身を除く): 1481440132

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 423751, 847502, 1695004, 2118755, 4237510, 8475020, 66528907, 133057814, 266115628, 332644535, 665289070, 1330578140]

約数ペア:

[(1, 1330578140), (2, 665289070), (4, 332644535), (5, 266115628), (10, 133057814), (20, 66528907), (157, 8475020), (314, 4237510), (628, 2118755), (785, 1695004), (1570, 847502), (3140, 423751)]