136472500

素因数分解:

$2^2\times 5^4\times {\mathrm{79}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 302653120

約数和(自身を除く): 166180620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 125, 158, 250, 316, 395, 500, 625, 691, 790, 1250, 1382, 1580, 1975, 2500, 2764, 3455, 3950, 6910, 7900, 9875, 13820, 17275, 19750, 34550, 39500, 49375, 54589, 69100, 86375, 98750, 109178, 172750, 197500, 218356, 272945, 345500, 431875, 545890, 863750, 1091780, 1364725, 1727500, 2729450, 5458900, 6823625, 13647250, 27294500, 34118125, 68236250, 136472500]

約数ペア:

[(1, 136472500), (2, 68236250), (4, 34118125), (5, 27294500), (10, 13647250), (20, 6823625), (25, 5458900), (50, 2729450), (79, 1727500), (100, 1364725), (125, 1091780), (158, 863750), (250, 545890), (316, 431875), (395, 345500), (500, 272945), (625, 218356), (691, 197500), (790, 172750), (1250, 109178), (1382, 98750), (1580, 86375), (1975, 69100), (2500, 54589), (2764, 49375), (3455, 39500), (3950, 34550), (6910, 19750), (7900, 17275), (9875, 13820)]