311566450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{3217}}^1$

素因数の和:3391

約数の個数: 48

約数和(自身を含む): 628475400

約数和(自身を除く): 316908950

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 149, 298, 325, 650, 745, 1490, 1937, 3217, 3725, 3874, 6434, 7450, 9685, 16085, 19370, 32170, 41821, 48425, 80425, 83642, 96850, 160850, 209105, 418210, 479333, 958666, 1045525, 2091050, 2396665, 4793330, 6231329, 11983325, 12462658, 23966650, 31156645, 62313290, 155783225, 311566450]

約数ペア:

[(1, 311566450), (2, 155783225), (5, 62313290), (10, 31156645), (13, 23966650), (25, 12462658), (26, 11983325), (50, 6231329), (65, 4793330), (130, 2396665), (149, 2091050), (298, 1045525), (325, 958666), (650, 479333), (745, 418210), (1490, 209105), (1937, 160850), (3217, 96850), (3725, 83642), (3874, 80425), (6434, 48425), (7450, 41821), (9685, 32170), (16085, 19370)]