8570940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20407}}^1$

素因数の和:20426

約数の個数: 48

約数和(自身を含む): 27428352

約数和(自身を除く): 18857412

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, 20407, 40814, 61221, 81628, 102035, 122442, 142849, 204070, 244884, 285698, 306105, 408140, 428547, 571396, 612210, 714245, 857094, 1224420, 1428490, 1714188, 2142735, 2856980, 4285470, 8570940]

約数ペア:

[(1, 8570940), (2, 4285470), (3, 2856980), (4, 2142735), (5, 1714188), (6, 1428490), (7, 1224420), (10, 857094), (12, 714245), (14, 612210), (15, 571396), (20, 428547), (21, 408140), (28, 306105), (30, 285698), (35, 244884), (42, 204070), (60, 142849), (70, 122442), (84, 102035), (105, 81628), (140, 61221), (210, 40814), (420, 20407)]