201101540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1187}}^1$

素因数の和:1436

約数の個数: 48

約数和(自身を含む): 434693952

約数和(自身を除く): 233592412

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 197, 215, 394, 430, 788, 860, 985, 1187, 1970, 2374, 3940, 4748, 5935, 8471, 11870, 16942, 23740, 33884, 42355, 51041, 84710, 102082, 169420, 204164, 233839, 255205, 467678, 510410, 935356, 1020820, 1169195, 2338390, 4676780, 10055077, 20110154, 40220308, 50275385, 100550770, 201101540]

約数ペア:

[(1, 201101540), (2, 100550770), (4, 50275385), (5, 40220308), (10, 20110154), (20, 10055077), (43, 4676780), (86, 2338390), (172, 1169195), (197, 1020820), (215, 935356), (394, 510410), (430, 467678), (788, 255205), (860, 233839), (985, 204164), (1187, 169420), (1970, 102082), (2374, 84710), (3940, 51041), (4748, 42355), (5935, 33884), (8471, 23740), (11870, 16942)]