215756860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{57689}}^1$

素因数の和:57726

約数の個数: 48

約数和(自身を含む): 523363680

約数和(自身を除く): 307606820

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 57689, 115378, 230756, 288445, 576890, 634579, 980713, 1153780, 1269158, 1961426, 2538316, 3172895, 3922852, 4903565, 6345790, 9807130, 10787843, 12691580, 19614260, 21575686, 43151372, 53939215, 107878430, 215756860]

約数ペア:

[(1, 215756860), (2, 107878430), (4, 53939215), (5, 43151372), (10, 21575686), (11, 19614260), (17, 12691580), (20, 10787843), (22, 9807130), (34, 6345790), (44, 4903565), (55, 3922852), (68, 3172895), (85, 2538316), (110, 1961426), (170, 1269158), (187, 1153780), (220, 980713), (340, 634579), (374, 576890), (748, 288445), (935, 230756), (1870, 115378), (3740, 57689)]