221510940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{527407}}^1$

素因数の和:527426

約数の個数: 48

約数和(自身を含む): 708836352

約数和(自身を除く): 487325412

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, 527407, 1054814, 1582221, 2109628, 2637035, 3164442, 3691849, 5274070, 6328884, 7383698, 7911105, 10548140, 11075547, 14767396, 15822210, 18459245, 22151094, 31644420, 36918490, 44302188, 55377735, 73836980, 110755470, 221510940]

約数ペア:

[(1, 221510940), (2, 110755470), (3, 73836980), (4, 55377735), (5, 44302188), (6, 36918490), (7, 31644420), (10, 22151094), (12, 18459245), (14, 15822210), (15, 14767396), (20, 11075547), (21, 10548140), (28, 7911105), (30, 7383698), (35, 6328884), (42, 5274070), (60, 3691849), (70, 3164442), (84, 2637035), (105, 2109628), (140, 1582221), (210, 1054814), (420, 527407)]