19981122010

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^2\times {\mathrm{90001}}^1$

素因数の和:90306

約数の個数: 24

約数和(自身を含む): 36209424636

約数和(自身を除く): 16228302626

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 22201, 44402, 90001, 111005, 180002, 222010, 450005, 900010, 13410149, 26820298, 67050745, 134101490, 1998112201, 3996224402, 9990561005, 19981122010]

約数ペア:

[(1, 19981122010), (2, 9990561005), (5, 3996224402), (10, 1998112201), (149, 134101490), (298, 67050745), (745, 26820298), (1490, 13410149), (22201, 900010), (44402, 450005), (90001, 222010), (111005, 180002)]