202420910

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{997}}^1$

素因数の和:1340

約数の個数: 32

約数和(自身を含む): 370776960

約数和(自身を除く): 168356050

約数列:

[1, 2, 5, 10, 79, 158, 257, 395, 514, 790, 997, 1285, 1994, 2570, 4985, 9970, 20303, 40606, 78763, 101515, 157526, 203030, 256229, 393815, 512458, 787630, 1281145, 2562290, 20242091, 40484182, 101210455, 202420910]

約数ペア:

[(1, 202420910), (2, 101210455), (5, 40484182), (10, 20242091), (79, 2562290), (158, 1281145), (257, 787630), (395, 512458), (514, 393815), (790, 256229), (997, 203030), (1285, 157526), (1994, 101515), (2570, 78763), (4985, 40606), (9970, 20303)]