244520920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{5861}}^1$

素因数の和:6028

約数の個数: 64

約数和(自身を含む): 633096000

約数和(自身を除く): 388575080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 280, 298, 596, 745, 1043, 1192, 1490, 2086, 2980, 4172, 5215, 5861, 5960, 8344, 10430, 11722, 20860, 23444, 29305, 41027, 41720, 46888, 58610, 82054, 117220, 164108, 205135, 234440, 328216, 410270, 820540, 873289, 1641080, 1746578, 3493156, 4366445, 6113023, 6986312, 8732890, 12226046, 17465780, 24452092, 30565115, 34931560, 48904184, 61130230, 122260460, 244520920]

約数ペア:

[(1, 244520920), (2, 122260460), (4, 61130230), (5, 48904184), (7, 34931560), (8, 30565115), (10, 24452092), (14, 17465780), (20, 12226046), (28, 8732890), (35, 6986312), (40, 6113023), (56, 4366445), (70, 3493156), (140, 1746578), (149, 1641080), (280, 873289), (298, 820540), (596, 410270), (745, 328216), (1043, 234440), (1192, 205135), (1490, 164108), (2086, 117220), (2980, 82054), (4172, 58610), (5215, 46888), (5861, 41720), (5960, 41027), (8344, 29305), (10430, 23444), (11722, 20860)]