2789930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1951}}^1$

素因数の和:1982

約数の個数: 32

約数和(自身を含む): 5902848

約数和(自身を除く): 3112918

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 1951, 3902, 9755, 19510, 21461, 25363, 42922, 50726, 107305, 126815, 214610, 253630, 278993, 557986, 1394965, 2789930]

約数ペア:

[(1, 2789930), (2, 1394965), (5, 557986), (10, 278993), (11, 253630), (13, 214610), (22, 126815), (26, 107305), (55, 50726), (65, 42922), (110, 25363), (130, 21461), (143, 19510), (286, 9755), (715, 3902), (1430, 1951)]