16390000

素因数分解:

$2^4\times 5^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1$

素因数の和:188

約数の個数: 100

約数和(自身を含む): 43579800

約数和(自身を除く): 27189800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 149, 176, 200, 220, 250, 275, 298, 400, 440, 500, 550, 596, 625, 745, 880, 1000, 1100, 1192, 1250, 1375, 1490, 1639, 2000, 2200, 2384, 2500, 2750, 2980, 3278, 3725, 4400, 5000, 5500, 5960, 6556, 6875, 7450, 8195, 10000, 11000, 11920, 13112, 13750, 14900, 16390, 18625, 22000, 26224, 27500, 29800, 32780, 37250, 40975, 55000, 59600, 65560, 74500, 81950, 93125, 110000, 131120, 149000, 163900, 186250, 204875, 298000, 327800, 372500, 409750, 655600, 745000, 819500, 1024375, 1490000, 1639000, 2048750, 3278000, 4097500, 8195000, 16390000]

約数ペア:

[(1, 16390000), (2, 8195000), (4, 4097500), (5, 3278000), (8, 2048750), (10, 1639000), (11, 1490000), (16, 1024375), (20, 819500), (22, 745000), (25, 655600), (40, 409750), (44, 372500), (50, 327800), (55, 298000), (80, 204875), (88, 186250), (100, 163900), (110, 149000), (125, 131120), (149, 110000), (176, 93125), (200, 81950), (220, 74500), (250, 65560), (275, 59600), (298, 55000), (400, 40975), (440, 37250), (500, 32780), (550, 29800), (596, 27500), (625, 26224), (745, 22000), (880, 18625), (1000, 16390), (1100, 14900), (1192, 13750), (1250, 13112), (1375, 11920), (1490, 11000), (1639, 10000), (2000, 8195), (2200, 7450), (2384, 6875), (2500, 6556), (2750, 5960), (2980, 5500), (3278, 5000), (3725, 4400)]