220820980

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{74101}}^1$

素因数の和:74259

約数の個数: 24

約数和(自身を含む): 466842600

約数和(自身を除く): 246021620

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 74101, 148202, 296404, 370505, 741010, 1482020, 11041049, 22082098, 44164196, 55205245, 110410490, 220820980]

約数ペア:

[(1, 220820980), (2, 110410490), (4, 55205245), (5, 44164196), (10, 22082098), (20, 11041049), (149, 1482020), (298, 741010), (596, 370505), (745, 296404), (1490, 148202), (2980, 74101)]