2999980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2459}}^1$

素因数の和:2529

約数の個数: 24

約数和(自身を含む): 6405840

約数和(自身を除く): 3405860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 2459, 4918, 9836, 12295, 24590, 49180, 149999, 299998, 599996, 749995, 1499990, 2999980]

約数ペア:

[(1, 2999980), (2, 1499990), (4, 749995), (5, 599996), (10, 299998), (20, 149999), (61, 49180), (122, 24590), (244, 12295), (305, 9836), (610, 4918), (1220, 2459)]