4094500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 9434880

約数和(自身を除く): 5340380

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 380, 431, 475, 500, 862, 950, 1724, 1900, 2155, 2375, 4310, 4750, 8189, 8620, 9500, 10775, 16378, 21550, 32756, 40945, 43100, 53875, 81890, 107750, 163780, 204725, 215500, 409450, 818900, 1023625, 2047250, 4094500]

約数ペア:

[(1, 4094500), (2, 2047250), (4, 1023625), (5, 818900), (10, 409450), (19, 215500), (20, 204725), (25, 163780), (38, 107750), (50, 81890), (76, 53875), (95, 43100), (100, 40945), (125, 32756), (190, 21550), (250, 16378), (380, 10775), (431, 9500), (475, 8620), (500, 8189), (862, 4750), (950, 4310), (1724, 2375), (1900, 2155)]