2785194280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{147209}}^1$

素因数の和:147274

約数の個数: 64

約数和(自身を含む): 6995419200

約数和(自身を除く): 4210224920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4730, 9460, 18920, 147209, 294418, 588836, 736045, 1177672, 1472090, 1619299, 2944180, 3238598, 5888360, 6329987, 6477196, 8096495, 12659974, 12954392, 16192990, 25319948, 31649935, 32385980, 50639896, 63299870, 64771960, 69629857, 126599740, 139259714, 253199480, 278519428, 348149285, 557038856, 696298570, 1392597140, 2785194280]

約数ペア:

[(1, 2785194280), (2, 1392597140), (4, 696298570), (5, 557038856), (8, 348149285), (10, 278519428), (11, 253199480), (20, 139259714), (22, 126599740), (40, 69629857), (43, 64771960), (44, 63299870), (55, 50639896), (86, 32385980), (88, 31649935), (110, 25319948), (172, 16192990), (215, 12954392), (220, 12659974), (344, 8096495), (430, 6477196), (440, 6329987), (473, 5888360), (860, 3238598), (946, 2944180), (1720, 1619299), (1892, 1472090), (2365, 1177672), (3784, 736045), (4730, 588836), (9460, 294418), (18920, 147209)]