266022500

素因数分解:

$2^2\times 5^4\times {\mathrm{97}}^1\times {\mathrm{1097}}^1$

素因数の和:1218

約数の個数: 60

約数和(自身を含む): 588271068

約数和(自身を除く): 322248568

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 625, 970, 1097, 1250, 1940, 2194, 2425, 2500, 4388, 4850, 5485, 9700, 10970, 12125, 21940, 24250, 27425, 48500, 54850, 60625, 106409, 109700, 121250, 137125, 212818, 242500, 274250, 425636, 532045, 548500, 685625, 1064090, 1371250, 2128180, 2660225, 2742500, 5320450, 10640900, 13301125, 26602250, 53204500, 66505625, 133011250, 266022500]

約数ペア:

[(1, 266022500), (2, 133011250), (4, 66505625), (5, 53204500), (10, 26602250), (20, 13301125), (25, 10640900), (50, 5320450), (97, 2742500), (100, 2660225), (125, 2128180), (194, 1371250), (250, 1064090), (388, 685625), (485, 548500), (500, 532045), (625, 425636), (970, 274250), (1097, 242500), (1250, 212818), (1940, 137125), (2194, 121250), (2425, 109700), (2500, 106409), (4388, 60625), (4850, 54850), (5485, 48500), (9700, 27425), (10970, 24250), (12125, 21940)]