290474954

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{613}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 579301632

約数和(自身を除く): 288826678

約数列:

[1, 2, 7, 11, 14, 17, 22, 34, 77, 119, 154, 181, 187, 238, 362, 374, 613, 1226, 1267, 1309, 1991, 2534, 2618, 3077, 3982, 4291, 6154, 6743, 8582, 10421, 13486, 13937, 20842, 21539, 27874, 33847, 43078, 47201, 67694, 72947, 94402, 110953, 114631, 145894, 221906, 229262, 236929, 473858, 776671, 802417, 1220483, 1553342, 1604834, 1886201, 2440966, 3772402, 8543381, 13203407, 17086762, 20748211, 26406814, 41496422, 145237477, 290474954]

約数ペア:

[(1, 290474954), (2, 145237477), (7, 41496422), (11, 26406814), (14, 20748211), (17, 17086762), (22, 13203407), (34, 8543381), (77, 3772402), (119, 2440966), (154, 1886201), (181, 1604834), (187, 1553342), (238, 1220483), (362, 802417), (374, 776671), (613, 473858), (1226, 236929), (1267, 229262), (1309, 221906), (1991, 145894), (2534, 114631), (2618, 110953), (3077, 94402), (3982, 72947), (4291, 67694), (6154, 47201), (6743, 43078), (8582, 33847), (10421, 27874), (13486, 21539), (13937, 20842)]