387934260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{923653}}^1$

素因数の和:923672

約数の個数: 48

約数和(自身を含む): 1241390976

約数和(自身を除く): 853456716

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 923653, 1847306, 2770959, 3694612, 4618265, 5541918, 6465571, 9236530, 11083836, 12931142, 13854795, 18473060, 19396713, 25862284, 27709590, 32327855, 38793426, 55419180, 64655710, 77586852, 96983565, 129311420, 193967130, 387934260]

約数ペア:

[(1, 387934260), (2, 193967130), (3, 129311420), (4, 96983565), (5, 77586852), (6, 64655710), (7, 55419180), (10, 38793426), (12, 32327855), (14, 27709590), (15, 25862284), (20, 19396713), (21, 18473060), (28, 13854795), (30, 12931142), (35, 11083836), (42, 9236530), (60, 6465571), (70, 5541918), (84, 4618265), (105, 3694612), (140, 2770959), (210, 1847306), (420, 923653)]