15478000

素因数分解:

$2^4\times 5^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:203

約数の個数: 80

約数和(自身を含む): 38301120

約数和(自身を除く): 22823120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 109, 125, 142, 200, 218, 250, 284, 355, 400, 436, 500, 545, 568, 710, 872, 1000, 1090, 1136, 1420, 1744, 1775, 2000, 2180, 2725, 2840, 3550, 4360, 5450, 5680, 7100, 7739, 8720, 8875, 10900, 13625, 14200, 15478, 17750, 21800, 27250, 28400, 30956, 35500, 38695, 43600, 54500, 61912, 71000, 77390, 109000, 123824, 142000, 154780, 193475, 218000, 309560, 386950, 619120, 773900, 967375, 1547800, 1934750, 3095600, 3869500, 7739000, 15478000]

約数ペア:

[(1, 15478000), (2, 7739000), (4, 3869500), (5, 3095600), (8, 1934750), (10, 1547800), (16, 967375), (20, 773900), (25, 619120), (40, 386950), (50, 309560), (71, 218000), (80, 193475), (100, 154780), (109, 142000), (125, 123824), (142, 109000), (200, 77390), (218, 71000), (250, 61912), (284, 54500), (355, 43600), (400, 38695), (436, 35500), (500, 30956), (545, 28400), (568, 27250), (710, 21800), (872, 17750), (1000, 15478), (1090, 14200), (1136, 13625), (1420, 10900), (1744, 8875), (1775, 8720), (2000, 7739), (2180, 7100), (2725, 5680), (2840, 5450), (3550, 4360)]