137500

素因数分解:

$2^2\times 5^5\times {\mathrm{11}}^1$

素因数の和:40

約数の個数: 36

約数和(自身を含む): 328104

約数和(自身を除く): 190604

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 125, 220, 250, 275, 500, 550, 625, 1100, 1250, 1375, 2500, 2750, 3125, 5500, 6250, 6875, 12500, 13750, 27500, 34375, 68750, 137500]

約数ペア:

[(1, 137500), (2, 68750), (4, 34375), (5, 27500), (10, 13750), (11, 12500), (20, 6875), (22, 6250), (25, 5500), (44, 3125), (50, 2750), (55, 2500), (100, 1375), (110, 1250), (125, 1100), (220, 625), (250, 550), (275, 500)]