200280980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{99149}}^1$

素因数の和:99259

約数の個数: 24

約数和(自身を含む): 424758600

約数和(自身を除く): 224477620

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 99149, 198298, 396596, 495745, 991490, 1982980, 10014049, 20028098, 40056196, 50070245, 100140490, 200280980]

約数ペア:

[(1, 200280980), (2, 100140490), (4, 50070245), (5, 40056196), (10, 20028098), (20, 10014049), (101, 1982980), (202, 991490), (404, 495745), (505, 396596), (1010, 198298), (2020, 99149)]