261499840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{116741}}^1$

素因数の和:116765

約数の個数: 56

約数和(自身を含む): 711659232

約数和(自身を除く): 450159392

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 116741, 233482, 466964, 583705, 817187, 933928, 1167410, 1634374, 1867856, 2334820, 3268748, 3735712, 4085935, 4669640, 6537496, 7471424, 8171870, 9339280, 13074992, 16343740, 18678560, 26149984, 32687480, 37357120, 52299968, 65374960, 130749920, 261499840]

約数ペア:

[(1, 261499840), (2, 130749920), (4, 65374960), (5, 52299968), (7, 37357120), (8, 32687480), (10, 26149984), (14, 18678560), (16, 16343740), (20, 13074992), (28, 9339280), (32, 8171870), (35, 7471424), (40, 6537496), (56, 4669640), (64, 4085935), (70, 3735712), (80, 3268748), (112, 2334820), (140, 1867856), (160, 1634374), (224, 1167410), (280, 933928), (320, 817187), (448, 583705), (560, 466964), (1120, 233482), (2240, 116741)]