486500620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{398771}}^1$

素因数の和:398841

約数の個数: 24

約数和(自身を含む): 1038402288

約数和(自身を除く): 551901668

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 398771, 797542, 1595084, 1993855, 3987710, 7975420, 24325031, 48650062, 97300124, 121625155, 243250310, 486500620]

約数ペア:

[(1, 486500620), (2, 243250310), (4, 121625155), (5, 97300124), (10, 48650062), (20, 24325031), (61, 7975420), (122, 3987710), (244, 1993855), (305, 1595084), (610, 797542), (1220, 398771)]