7739000

素因数分解:

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

素因数の和:201

約数の個数: 64

約数和(自身を含む): 18532800

約数和(自身を除く): 10793800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 109, 125, 142, 200, 218, 250, 284, 355, 436, 500, 545, 568, 710, 872, 1000, 1090, 1420, 1775, 2180, 2725, 2840, 3550, 4360, 5450, 7100, 7739, 8875, 10900, 13625, 14200, 15478, 17750, 21800, 27250, 30956, 35500, 38695, 54500, 61912, 71000, 77390, 109000, 154780, 193475, 309560, 386950, 773900, 967375, 1547800, 1934750, 3869500, 7739000]

約数ペア:

[(1, 7739000), (2, 3869500), (4, 1934750), (5, 1547800), (8, 967375), (10, 773900), (20, 386950), (25, 309560), (40, 193475), (50, 154780), (71, 109000), (100, 77390), (109, 71000), (125, 61912), (142, 54500), (200, 38695), (218, 35500), (250, 30956), (284, 27250), (355, 21800), (436, 17750), (500, 15478), (545, 14200), (568, 13625), (710, 10900), (872, 8875), (1000, 7739), (1090, 7100), (1420, 5450), (1775, 4360), (2180, 3550), (2725, 2840)]