520065980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{3779}}^1$

素因数の和:4778

約数の個数: 48

約数和(自身を含む): 1249758720

約数和(自身を除く): 729692740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 983, 1966, 3779, 3932, 4915, 6881, 7558, 9830, 13762, 15116, 18895, 19660, 26453, 27524, 34405, 37790, 52906, 68810, 75580, 105812, 132265, 137620, 264530, 529060, 3714757, 7429514, 14859028, 18573785, 26003299, 37147570, 52006598, 74295140, 104013196, 130016495, 260032990, 520065980]

約数ペア:

[(1, 520065980), (2, 260032990), (4, 130016495), (5, 104013196), (7, 74295140), (10, 52006598), (14, 37147570), (20, 26003299), (28, 18573785), (35, 14859028), (70, 7429514), (140, 3714757), (983, 529060), (1966, 264530), (3779, 137620), (3932, 132265), (4915, 105812), (6881, 75580), (7558, 68810), (9830, 52906), (13762, 37790), (15116, 34405), (18895, 27524), (19660, 26453)]