887500

素因数分解:

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

素因数の和:100

約数の個数: 36

約数和(自身を含む): 1968624

約数和(自身を除く): 1081124

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 125, 142, 250, 284, 355, 500, 625, 710, 1250, 1420, 1775, 2500, 3125, 3550, 6250, 7100, 8875, 12500, 17750, 35500, 44375, 88750, 177500, 221875, 443750, 887500]

約数ペア:

[(1, 887500), (2, 443750), (4, 221875), (5, 177500), (10, 88750), (20, 44375), (25, 35500), (50, 17750), (71, 12500), (100, 8875), (125, 7100), (142, 6250), (250, 3550), (284, 3125), (355, 2500), (500, 1775), (625, 1420), (710, 1250)]