1330672340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{423781}}^1$

素因数の和:423947

約数の個数: 24

約数和(自身を含む): 2812217352

約数和(自身を除く): 1481545012

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 423781, 847562, 1695124, 2118905, 4237810, 8475620, 66533617, 133067234, 266134468, 332668085, 665336170, 1330672340]

約数ペア:

[(1, 1330672340), (2, 665336170), (4, 332668085), (5, 266134468), (10, 133067234), (20, 66533617), (157, 8475620), (314, 4237810), (628, 2118905), (785, 1695124), (1570, 847562), (3140, 423781)]