261036740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{1747}}^1$

素因数の和:2028

約数の個数: 48

約数和(自身を含む): 568533504

約数和(自身を除く): 307496764

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 241, 310, 482, 620, 964, 1205, 1747, 2410, 3494, 4820, 6988, 7471, 8735, 14942, 17470, 29884, 34940, 37355, 54157, 74710, 108314, 149420, 216628, 270785, 421027, 541570, 842054, 1083140, 1684108, 2105135, 4210270, 8420540, 13051837, 26103674, 52207348, 65259185, 130518370, 261036740]

約数ペア:

[(1, 261036740), (2, 130518370), (4, 65259185), (5, 52207348), (10, 26103674), (20, 13051837), (31, 8420540), (62, 4210270), (124, 2105135), (155, 1684108), (241, 1083140), (310, 842054), (482, 541570), (620, 421027), (964, 270785), (1205, 216628), (1747, 149420), (2410, 108314), (3494, 74710), (4820, 54157), (6988, 37355), (7471, 34940), (8735, 29884), (14942, 17470)]