749334310

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1\times {\mathrm{1997}}^1$

素因数の和:2400

約数の個数: 32

約数和(自身を含む): 1363754880

約数和(自身を除く): 614420570

約数列:

[1, 2, 5, 10, 157, 239, 314, 478, 785, 1195, 1570, 1997, 2390, 3994, 9985, 19970, 37523, 75046, 187615, 313529, 375230, 477283, 627058, 954566, 1567645, 2386415, 3135290, 4772830, 74933431, 149866862, 374667155, 749334310]

約数ペア:

[(1, 749334310), (2, 374667155), (5, 149866862), (10, 74933431), (157, 4772830), (239, 3135290), (314, 2386415), (478, 1567645), (785, 954566), (1195, 627058), (1570, 477283), (1997, 375230), (2390, 313529), (3994, 187615), (9985, 75046), (19970, 37523)]