2189790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{839}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 5896800

約数和(自身を除く): 3707010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 839, 870, 1305, 1678, 2517, 2610, 4195, 5034, 7551, 8390, 12585, 15102, 24331, 25170, 37755, 48662, 72993, 75510, 121655, 145986, 218979, 243310, 364965, 437958, 729930, 1094895, 2189790]

約数ペア:

[(1, 2189790), (2, 1094895), (3, 729930), (5, 437958), (6, 364965), (9, 243310), (10, 218979), (15, 145986), (18, 121655), (29, 75510), (30, 72993), (45, 48662), (58, 37755), (87, 25170), (90, 24331), (145, 15102), (174, 12585), (261, 8390), (290, 7551), (435, 5034), (522, 4195), (839, 2610), (870, 2517), (1305, 1678)]