214016980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^2\times {\mathrm{1049}}^1$

素因数の和:1260

約数の個数: 36

約数和(自身を含む): 454362300

約数和(自身を除く): 240345320

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 1049, 2020, 2098, 4196, 5245, 10201, 10490, 20402, 20980, 40804, 51005, 102010, 105949, 204020, 211898, 423796, 529745, 1059490, 2118980, 10700849, 21401698, 42803396, 53504245, 107008490, 214016980]

約数ペア:

[(1, 214016980), (2, 107008490), (4, 53504245), (5, 42803396), (10, 21401698), (20, 10700849), (101, 2118980), (202, 1059490), (404, 529745), (505, 423796), (1010, 211898), (1049, 204020), (2020, 105949), (2098, 102010), (4196, 51005), (5245, 40804), (10201, 20980), (10490, 20402)]