3869500

素因数分解:

$2^2\times 5^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:199

約数の個数: 48

約数和(自身を含む): 8648640

約数和(自身を除く): 4779140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 109, 125, 142, 218, 250, 284, 355, 436, 500, 545, 710, 1090, 1420, 1775, 2180, 2725, 3550, 5450, 7100, 7739, 8875, 10900, 13625, 15478, 17750, 27250, 30956, 35500, 38695, 54500, 77390, 154780, 193475, 386950, 773900, 967375, 1934750, 3869500]

約数ペア:

[(1, 3869500), (2, 1934750), (4, 967375), (5, 773900), (10, 386950), (20, 193475), (25, 154780), (50, 77390), (71, 54500), (100, 38695), (109, 35500), (125, 30956), (142, 27250), (218, 17750), (250, 15478), (284, 13625), (355, 10900), (436, 8875), (500, 7739), (545, 7100), (710, 5450), (1090, 3550), (1420, 2725), (1775, 2180)]