139806870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{665747}}^1$

素因数の和:665764

約数の個数: 32

約数和(自身を含む): 383470848

約数和(自身を除く): 243663978

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 665747, 1331494, 1997241, 3328735, 3994482, 4660229, 6657470, 9320458, 9986205, 13980687, 19972410, 23301145, 27961374, 46602290, 69903435, 139806870]

約数ペア:

[(1, 139806870), (2, 69903435), (3, 46602290), (5, 27961374), (6, 23301145), (7, 19972410), (10, 13980687), (14, 9986205), (15, 9320458), (21, 6657470), (30, 4660229), (35, 3994482), (42, 3328735), (70, 1997241), (105, 1331494), (210, 665747)]