200468680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{487}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 464849280

約数和(自身を除く): 264380600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 251, 328, 410, 487, 502, 820, 974, 1004, 1255, 1640, 1948, 2008, 2435, 2510, 3896, 4870, 5020, 9740, 10040, 10291, 19480, 19967, 20582, 39934, 41164, 51455, 79868, 82328, 99835, 102910, 122237, 159736, 199670, 205820, 244474, 399340, 411640, 488948, 611185, 798680, 977896, 1222370, 2444740, 4889480, 5011717, 10023434, 20046868, 25058585, 40093736, 50117170, 100234340, 200468680]

約数ペア:

[(1, 200468680), (2, 100234340), (4, 50117170), (5, 40093736), (8, 25058585), (10, 20046868), (20, 10023434), (40, 5011717), (41, 4889480), (82, 2444740), (164, 1222370), (205, 977896), (251, 798680), (328, 611185), (410, 488948), (487, 411640), (502, 399340), (820, 244474), (974, 205820), (1004, 199670), (1255, 159736), (1640, 122237), (1948, 102910), (2008, 99835), (2435, 82328), (2510, 79868), (3896, 51455), (4870, 41164), (5020, 39934), (9740, 20582), (10040, 19967), (10291, 19480)]