2111490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 5686200

約数和(自身を除く): 3574710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 87, 90, 145, 174, 261, 290, 435, 522, 809, 870, 1305, 1618, 2427, 2610, 4045, 4854, 7281, 8090, 12135, 14562, 23461, 24270, 36405, 46922, 70383, 72810, 117305, 140766, 211149, 234610, 351915, 422298, 703830, 1055745, 2111490]

約数ペア:

[(1, 2111490), (2, 1055745), (3, 703830), (5, 422298), (6, 351915), (9, 234610), (10, 211149), (15, 140766), (18, 117305), (29, 72810), (30, 70383), (45, 46922), (58, 36405), (87, 24270), (90, 23461), (145, 14562), (174, 12135), (261, 8090), (290, 7281), (435, 4854), (522, 4045), (809, 2610), (870, 2427), (1305, 1618)]