248657620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{4271}}^1$

素因数の和:4392

約数の個数: 48

約数和(自身を含む): 542578176

約数和(自身を除く): 293920556

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2911, 4271, 5822, 8542, 11644, 14555, 17084, 21355, 29110, 42710, 58220, 85420, 175111, 303241, 350222, 606482, 700444, 875555, 1212964, 1516205, 1751110, 3032410, 3502220, 6064820, 12432881, 24865762, 49731524, 62164405, 124328810, 248657620]

約数ペア:

[(1, 248657620), (2, 124328810), (4, 62164405), (5, 49731524), (10, 24865762), (20, 12432881), (41, 6064820), (71, 3502220), (82, 3032410), (142, 1751110), (164, 1516205), (205, 1212964), (284, 875555), (355, 700444), (410, 606482), (710, 350222), (820, 303241), (1420, 175111), (2911, 85420), (4271, 58220), (5822, 42710), (8542, 29110), (11644, 21355), (14555, 17084)]