315029240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{192091}}^1$

素因数の和:192143

約数の個数: 32

約数和(自身を含む): 726107760

約数和(自身を除く): 411078520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 192091, 384182, 768364, 960455, 1536728, 1920910, 3841820, 7683640, 7875731, 15751462, 31502924, 39378655, 63005848, 78757310, 157514620, 315029240]

約数ペア:

[(1, 315029240), (2, 157514620), (4, 78757310), (5, 63005848), (8, 39378655), (10, 31502924), (20, 15751462), (40, 7875731), (41, 7683640), (82, 3841820), (164, 1920910), (205, 1536728), (328, 960455), (410, 768364), (820, 384182), (1640, 192091)]