123500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:51

約数の個数: 48

約数和(自身を含む): 305760

約数和(自身を除く): 182260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 125, 130, 190, 247, 250, 260, 325, 380, 475, 494, 500, 650, 950, 988, 1235, 1300, 1625, 1900, 2375, 2470, 3250, 4750, 4940, 6175, 6500, 9500, 12350, 24700, 30875, 61750, 123500]

約数ペア:

[(1, 123500), (2, 61750), (4, 30875), (5, 24700), (10, 12350), (13, 9500), (19, 6500), (20, 6175), (25, 4940), (26, 4750), (38, 3250), (50, 2470), (52, 2375), (65, 1900), (76, 1625), (95, 1300), (100, 1235), (125, 988), (130, 950), (190, 650), (247, 500), (250, 494), (260, 475), (325, 380)]