403225000

素因数分解:

$2^3\times 5^5\times {\mathrm{127}}^2$

素因数の和:285

約数の個数: 72

約数和(自身を含む): 952497630

約数和(自身を除く): 549272630

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 127, 200, 250, 254, 500, 508, 625, 635, 1000, 1016, 1250, 1270, 2500, 2540, 3125, 3175, 5000, 5080, 6250, 6350, 12500, 12700, 15875, 16129, 25000, 25400, 31750, 32258, 63500, 64516, 79375, 80645, 127000, 129032, 158750, 161290, 317500, 322580, 396875, 403225, 635000, 645160, 793750, 806450, 1587500, 1612900, 2016125, 3175000, 3225800, 4032250, 8064500, 10080625, 16129000, 20161250, 40322500, 50403125, 80645000, 100806250, 201612500, 403225000]

約数ペア:

[(1, 403225000), (2, 201612500), (4, 100806250), (5, 80645000), (8, 50403125), (10, 40322500), (20, 20161250), (25, 16129000), (40, 10080625), (50, 8064500), (100, 4032250), (125, 3225800), (127, 3175000), (200, 2016125), (250, 1612900), (254, 1587500), (500, 806450), (508, 793750), (625, 645160), (635, 635000), (1000, 403225), (1016, 396875), (1250, 322580), (1270, 317500), (2500, 161290), (2540, 158750), (3125, 129032), (3175, 127000), (5000, 80645), (5080, 79375), (6250, 64516), (6350, 63500), (12500, 32258), (12700, 31750), (15875, 25400), (16129, 25000)]