200910520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{218381}}^1$

素因数の和:218415

約数の個数: 32

約数和(自身を含む): 471705120

約数和(自身を除く): 270794600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 218381, 436762, 873524, 1091905, 1747048, 2183810, 4367620, 5022763, 8735240, 10045526, 20091052, 25113815, 40182104, 50227630, 100455260, 200910520]

約数ペア:

[(1, 200910520), (2, 100455260), (4, 50227630), (5, 40182104), (8, 25113815), (10, 20091052), (20, 10045526), (23, 8735240), (40, 5022763), (46, 4367620), (92, 2183810), (115, 1747048), (184, 1091905), (230, 873524), (460, 436762), (920, 218381)]