181635260

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 391910400

約数和(自身を除く): 210275140

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 199, 235, 398, 470, 796, 940, 971, 995, 1942, 1990, 3884, 3980, 4855, 9353, 9710, 18706, 19420, 37412, 45637, 46765, 91274, 93530, 182548, 187060, 193229, 228185, 386458, 456370, 772916, 912740, 966145, 1932290, 3864580, 9081763, 18163526, 36327052, 45408815, 90817630, 181635260]

約数ペア:

[(1, 181635260), (2, 90817630), (4, 45408815), (5, 36327052), (10, 18163526), (20, 9081763), (47, 3864580), (94, 1932290), (188, 966145), (199, 912740), (235, 772916), (398, 456370), (470, 386458), (796, 228185), (940, 193229), (971, 187060), (995, 182548), (1942, 93530), (1990, 91274), (3884, 46765), (3980, 45637), (4855, 37412), (9353, 19420), (9710, 18706)]