31886000

素因数分解:

$2^4\times 5^3\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:279

約数の個数: 80

約数和(自身を含む): 78343200

約数和(自身を除く): 46457200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 107, 125, 149, 200, 214, 250, 298, 400, 428, 500, 535, 596, 745, 856, 1000, 1070, 1192, 1490, 1712, 2000, 2140, 2384, 2675, 2980, 3725, 4280, 5350, 5960, 7450, 8560, 10700, 11920, 13375, 14900, 15943, 18625, 21400, 26750, 29800, 31886, 37250, 42800, 53500, 59600, 63772, 74500, 79715, 107000, 127544, 149000, 159430, 214000, 255088, 298000, 318860, 398575, 637720, 797150, 1275440, 1594300, 1992875, 3188600, 3985750, 6377200, 7971500, 15943000, 31886000]

約数ペア:

[(1, 31886000), (2, 15943000), (4, 7971500), (5, 6377200), (8, 3985750), (10, 3188600), (16, 1992875), (20, 1594300), (25, 1275440), (40, 797150), (50, 637720), (80, 398575), (100, 318860), (107, 298000), (125, 255088), (149, 214000), (200, 159430), (214, 149000), (250, 127544), (298, 107000), (400, 79715), (428, 74500), (500, 63772), (535, 59600), (596, 53500), (745, 42800), (856, 37250), (1000, 31886), (1070, 29800), (1192, 26750), (1490, 21400), (1712, 18625), (2000, 15943), (2140, 14900), (2384, 13375), (2675, 11920), (2980, 10700), (3725, 8560), (4280, 7450), (5350, 5960)]