27900250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 60652800

約数和(自身を除く): 32752550

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 107, 125, 149, 175, 214, 250, 298, 350, 535, 745, 749, 875, 1043, 1070, 1490, 1498, 1750, 2086, 2675, 3725, 3745, 5215, 5350, 7450, 7490, 10430, 13375, 15943, 18625, 18725, 26075, 26750, 31886, 37250, 37450, 52150, 79715, 93625, 111601, 130375, 159430, 187250, 223202, 260750, 398575, 558005, 797150, 1116010, 1992875, 2790025, 3985750, 5580050, 13950125, 27900250]

約数ペア:

[(1, 27900250), (2, 13950125), (5, 5580050), (7, 3985750), (10, 2790025), (14, 1992875), (25, 1116010), (35, 797150), (50, 558005), (70, 398575), (107, 260750), (125, 223202), (149, 187250), (175, 159430), (214, 130375), (250, 111601), (298, 93625), (350, 79715), (535, 52150), (745, 37450), (749, 37250), (875, 31886), (1043, 26750), (1070, 26075), (1490, 18725), (1498, 18625), (1750, 15943), (2086, 13375), (2675, 10430), (3725, 7490), (3745, 7450), (5215, 5350)]