204598220

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1\times {\mathrm{401}}^1$

素因数の和:770

約数の個数: 48

約数和(自身を含む): 436822848

約数和(自身を除く): 232224628

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 263, 388, 401, 485, 526, 802, 970, 1052, 1315, 1604, 1940, 2005, 2630, 4010, 5260, 8020, 25511, 38897, 51022, 77794, 102044, 105463, 127555, 155588, 194485, 210926, 255110, 388970, 421852, 510220, 527315, 777940, 1054630, 2109260, 10229911, 20459822, 40919644, 51149555, 102299110, 204598220]

約数ペア:

[(1, 204598220), (2, 102299110), (4, 51149555), (5, 40919644), (10, 20459822), (20, 10229911), (97, 2109260), (194, 1054630), (263, 777940), (388, 527315), (401, 510220), (485, 421852), (526, 388970), (802, 255110), (970, 210926), (1052, 194485), (1315, 155588), (1604, 127555), (1940, 105463), (2005, 102044), (2630, 77794), (4010, 51022), (5260, 38897), (8020, 25511)]