1984940

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1627}}^1$

素因数の和:1697

約数の個数: 24

約数和(自身を含む): 4239312

約数和(自身を除く): 2254372

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1627, 3254, 6508, 8135, 16270, 32540, 99247, 198494, 396988, 496235, 992470, 1984940]

約数ペア:

[(1, 1984940), (2, 992470), (4, 496235), (5, 396988), (10, 198494), (20, 99247), (61, 32540), (122, 16270), (244, 8135), (305, 6508), (610, 3254), (1220, 1627)]