9870500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1077

約数の個数: 48

約数和(自身を含む): 22713600

約数和(自身を除く): 12843100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 475, 500, 950, 1039, 1900, 2078, 2375, 4156, 4750, 5195, 9500, 10390, 19741, 20780, 25975, 39482, 51950, 78964, 98705, 103900, 129875, 197410, 259750, 394820, 493525, 519500, 987050, 1974100, 2467625, 4935250, 9870500]

約数ペア:

[(1, 9870500), (2, 4935250), (4, 2467625), (5, 1974100), (10, 987050), (19, 519500), (20, 493525), (25, 394820), (38, 259750), (50, 197410), (76, 129875), (95, 103900), (100, 98705), (125, 78964), (190, 51950), (250, 39482), (380, 25975), (475, 20780), (500, 19741), (950, 10390), (1039, 9500), (1900, 5195), (2078, 4750), (2375, 4156)]