407764140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{970867}}^1$

素因数の和:970886

約数の個数: 48

約数和(自身を含む): 1304846592

約数和(自身を除く): 897082452

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, 970867, 1941734, 2912601, 3883468, 4854335, 5825202, 6796069, 9708670, 11650404, 13592138, 14563005, 19417340, 20388207, 27184276, 29126010, 33980345, 40776414, 58252020, 67960690, 81552828, 101941035, 135921380, 203882070, 407764140]

約数ペア:

[(1, 407764140), (2, 203882070), (3, 135921380), (4, 101941035), (5, 81552828), (6, 67960690), (7, 58252020), (10, 40776414), (12, 33980345), (14, 29126010), (15, 27184276), (20, 20388207), (21, 19417340), (28, 14563005), (30, 13592138), (35, 11650404), (42, 9708670), (60, 6796069), (70, 5825202), (84, 4854335), (105, 3883468), (140, 2912601), (210, 1941734), (420, 970867)]