612020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 1306368

約数和(自身を除く): 694348

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 431, 710, 862, 1420, 1724, 2155, 4310, 8620, 30601, 61202, 122404, 153005, 306010, 612020]

約数ペア:

[(1, 612020), (2, 306010), (4, 153005), (5, 122404), (10, 61202), (20, 30601), (71, 8620), (142, 4310), (284, 2155), (355, 1724), (431, 1420), (710, 862)]