261330220

素因数分解:

$2^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{57059}}^1$

素因数の和:57297

約数の個数: 24

約数和(自身を含む): 551199600

約数和(自身を除く): 289869380

約数列:

[1, 2, 4, 5, 10, 20, 229, 458, 916, 1145, 2290, 4580, 57059, 114118, 228236, 285295, 570590, 1141180, 13066511, 26133022, 52266044, 65332555, 130665110, 261330220]

約数ペア:

[(1, 261330220), (2, 130665110), (4, 65332555), (5, 52266044), (10, 26133022), (20, 13066511), (229, 1141180), (458, 570590), (916, 285295), (1145, 228236), (2290, 114118), (4580, 57059)]