242751025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 345960000

約数和(自身を除く): 103208975

約数列:

[1, 5, 11, 25, 29, 55, 61, 145, 275, 305, 319, 499, 671, 725, 1525, 1595, 1769, 2495, 3355, 5489, 7975, 8845, 12475, 14471, 16775, 19459, 27445, 30439, 44225, 72355, 97295, 137225, 152195, 159181, 334829, 361775, 486475, 760975, 795905, 882731, 1674145, 3979525, 4413655, 8370725, 9710041, 22068275, 48550205, 242751025]

約数ペア:

[(1, 242751025), (5, 48550205), (11, 22068275), (25, 9710041), (29, 8370725), (55, 4413655), (61, 3979525), (145, 1674145), (275, 882731), (305, 795905), (319, 760975), (499, 486475), (671, 361775), (725, 334829), (1525, 159181), (1595, 152195), (1769, 137225), (2495, 97295), (3355, 72355), (5489, 44225), (7975, 30439), (8845, 27445), (12475, 19459), (14471, 16775)]