995799340

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{971}}^1\times {\mathrm{1091}}^1$

素因数の和:2118

約数の個数: 48

約数和(自身を含む): 2139830784

約数和(自身を除く): 1144031444

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 971, 1091, 1942, 2182, 3884, 4364, 4855, 5455, 9710, 10910, 19420, 21820, 45637, 51277, 91274, 102554, 182548, 205108, 228185, 256385, 456370, 512770, 912740, 1025540, 1059361, 2118722, 4237444, 5296805, 10593610, 21187220, 49789967, 99579934, 199159868, 248949835, 497899670, 995799340]

約数ペア:

[(1, 995799340), (2, 497899670), (4, 248949835), (5, 199159868), (10, 99579934), (20, 49789967), (47, 21187220), (94, 10593610), (188, 5296805), (235, 4237444), (470, 2118722), (940, 1059361), (971, 1025540), (1091, 912740), (1942, 512770), (2182, 456370), (3884, 256385), (4364, 228185), (4855, 205108), (5455, 182548), (9710, 102554), (10910, 91274), (19420, 51277), (21820, 45637)]