70964500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{1999}}^1$

素因数の和:2089

約数の個数: 48

約数和(自身を含む): 157248000

約数和(自身を除く): 86283500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 710, 1420, 1775, 1999, 3550, 3998, 7100, 7996, 8875, 9995, 17750, 19990, 35500, 39980, 49975, 99950, 141929, 199900, 249875, 283858, 499750, 567716, 709645, 999500, 1419290, 2838580, 3548225, 7096450, 14192900, 17741125, 35482250, 70964500]

約数ペア:

[(1, 70964500), (2, 35482250), (4, 17741125), (5, 14192900), (10, 7096450), (20, 3548225), (25, 2838580), (50, 1419290), (71, 999500), (100, 709645), (125, 567716), (142, 499750), (250, 283858), (284, 249875), (355, 199900), (500, 141929), (710, 99950), (1420, 49975), (1775, 39980), (1999, 35500), (3550, 19990), (3998, 17750), (7100, 9995), (7996, 8875)]