121210010

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{81349}}^1$

素因数の和:81505

約数の個数: 16

約数和(自身を含む): 219645000

約数和(自身を除く): 98434990

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 81349, 162698, 406745, 813490, 12121001, 24242002, 60605005, 121210010]

約数ペア:

[(1, 121210010), (2, 60605005), (5, 24242002), (10, 12121001), (149, 813490), (298, 406745), (745, 162698), (1490, 81349)]