219365500

素因数分解:

$2^2\times 5^3\times {\mathrm{97}}^1\times {\mathrm{4523}}^1$

素因数の和:4639

約数の個数: 48

約数和(自身を含む): 484140384

約数和(自身を除く): 264774884

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 194, 250, 388, 485, 500, 970, 1940, 2425, 4523, 4850, 9046, 9700, 12125, 18092, 22615, 24250, 45230, 48500, 90460, 113075, 226150, 438731, 452300, 565375, 877462, 1130750, 1754924, 2193655, 2261500, 4387310, 8774620, 10968275, 21936550, 43873100, 54841375, 109682750, 219365500]

約数ペア:

[(1, 219365500), (2, 109682750), (4, 54841375), (5, 43873100), (10, 21936550), (20, 10968275), (25, 8774620), (50, 4387310), (97, 2261500), (100, 2193655), (125, 1754924), (194, 1130750), (250, 877462), (388, 565375), (485, 452300), (500, 438731), (970, 226150), (1940, 113075), (2425, 90460), (4523, 48500), (4850, 45230), (9046, 24250), (9700, 22615), (12125, 18092)]