202988620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{327401}}^1$

素因数の和:327441

約数の個数: 24

約数和(自身を含む): 440028288

約数和(自身を除く): 237039668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 327401, 654802, 1309604, 1637005, 3274010, 6548020, 10149431, 20298862, 40597724, 50747155, 101494310, 202988620]

約数ペア:

[(1, 202988620), (2, 101494310), (4, 50747155), (5, 40597724), (10, 20298862), (20, 10149431), (31, 6548020), (62, 3274010), (124, 1637005), (155, 1309604), (310, 654802), (620, 327401)]