2220100

素因数分解:

$2^2\times 5^2\times {\mathrm{149}}^2$

素因数の和:312

約数の個数: 27

約数和(自身を含む): 4850167

約数和(自身を除く): 2630067

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 149, 298, 596, 745, 1490, 2980, 3725, 7450, 14900, 22201, 44402, 88804, 111005, 222010, 444020, 555025, 1110050, 2220100]

約数ペア:

[(1, 2220100), (2, 1110050), (4, 555025), (5, 444020), (10, 222010), (20, 111005), (25, 88804), (50, 44402), (100, 22201), (149, 14900), (298, 7450), (596, 3725), (745, 2980)]