199948860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20959}}^1$

素因数の和:21027

約数の個数: 72

約数和(自身を含む): 617984640

約数和(自身を除く): 418035780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 90, 106, 159, 180, 212, 265, 318, 477, 530, 636, 795, 954, 1060, 1590, 1908, 2385, 3180, 4770, 9540, 20959, 41918, 62877, 83836, 104795, 125754, 188631, 209590, 251508, 314385, 377262, 419180, 628770, 754524, 943155, 1110827, 1257540, 1886310, 2221654, 3332481, 3772620, 4443308, 5554135, 6664962, 9997443, 11108270, 13329924, 16662405, 19994886, 22216540, 33324810, 39989772, 49987215, 66649620, 99974430, 199948860]

約数ペア:

[(1, 199948860), (2, 99974430), (3, 66649620), (4, 49987215), (5, 39989772), (6, 33324810), (9, 22216540), (10, 19994886), (12, 16662405), (15, 13329924), (18, 11108270), (20, 9997443), (30, 6664962), (36, 5554135), (45, 4443308), (53, 3772620), (60, 3332481), (90, 2221654), (106, 1886310), (159, 1257540), (180, 1110827), (212, 943155), (265, 754524), (318, 628770), (477, 419180), (530, 377262), (636, 314385), (795, 251508), (954, 209590), (1060, 188631), (1590, 125754), (1908, 104795), (2385, 83836), (3180, 62877), (4770, 41918), (9540, 20959)]