866560900

素因数分解:

$2^2\times 5^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1\times {\mathrm{743}}^1$

素因数の和:973

約数の個数: 72

約数和(自身を含む): 1918002240

約数和(自身を除く): 1051441340

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 107, 109, 214, 218, 428, 436, 535, 545, 743, 1070, 1090, 1486, 2140, 2180, 2675, 2725, 2972, 3715, 5350, 5450, 7430, 10700, 10900, 11663, 14860, 18575, 23326, 37150, 46652, 58315, 74300, 79501, 80987, 116630, 159002, 161974, 233260, 291575, 318004, 323948, 397505, 404935, 583150, 795010, 809870, 1166300, 1590020, 1619740, 1987525, 2024675, 3975050, 4049350, 7950100, 8098700, 8665609, 17331218, 34662436, 43328045, 86656090, 173312180, 216640225, 433280450, 866560900]

約数ペア:

[(1, 866560900), (2, 433280450), (4, 216640225), (5, 173312180), (10, 86656090), (20, 43328045), (25, 34662436), (50, 17331218), (100, 8665609), (107, 8098700), (109, 7950100), (214, 4049350), (218, 3975050), (428, 2024675), (436, 1987525), (535, 1619740), (545, 1590020), (743, 1166300), (1070, 809870), (1090, 795010), (1486, 583150), (2140, 404935), (2180, 397505), (2675, 323948), (2725, 318004), (2972, 291575), (3715, 233260), (5350, 161974), (5450, 159002), (7430, 116630), (10700, 80987), (10900, 79501), (11663, 74300), (14860, 58315), (18575, 46652), (23326, 37150)]