311901080

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{116381}}^1$

素因数の和:116459

約数の個数: 32

約数和(自身を含む): 712257840

約数和(自身を除く): 400356760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 116381, 232762, 465524, 581905, 931048, 1163810, 2327620, 4655240, 7797527, 15595054, 31190108, 38987635, 62380216, 77975270, 155950540, 311901080]

約数ペア:

[(1, 311901080), (2, 155950540), (4, 77975270), (5, 62380216), (8, 38987635), (10, 31190108), (20, 15595054), (40, 7797527), (67, 4655240), (134, 2327620), (268, 1163810), (335, 931048), (536, 581905), (670, 465524), (1340, 232762), (2680, 116381)]