313978020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{33331}}^1$

素因数の和:33500

約数の個数: 48

約数和(自身を含む): 884764608

約数和(自身を除く): 570786588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 33331, 66662, 99993, 133324, 166655, 199986, 333310, 399972, 499965, 666620, 999930, 1999860, 5232967, 10465934, 15698901, 20931868, 26164835, 31397802, 52329670, 62795604, 78494505, 104659340, 156989010, 313978020]

約数ペア:

[(1, 313978020), (2, 156989010), (3, 104659340), (4, 78494505), (5, 62795604), (6, 52329670), (10, 31397802), (12, 26164835), (15, 20931868), (20, 15698901), (30, 10465934), (60, 5232967), (157, 1999860), (314, 999930), (471, 666620), (628, 499965), (785, 399972), (942, 333310), (1570, 199986), (1884, 166655), (2355, 133324), (3140, 99993), (4710, 66662), (9420, 33331)]