2855173640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{35851}}^1$

素因数の和:36054

約数の個数: 64

約数和(自身を含む): 7047069120

約数和(自身を除く): 4191895480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 181, 220, 362, 440, 724, 905, 1448, 1810, 1991, 3620, 3982, 7240, 7964, 9955, 15928, 19910, 35851, 39820, 71702, 79640, 143404, 179255, 286808, 358510, 394361, 717020, 788722, 1434040, 1577444, 1971805, 3154888, 3943610, 6489031, 7887220, 12978062, 15774440, 25956124, 32445155, 51912248, 64890310, 71379341, 129780620, 142758682, 259561240, 285517364, 356896705, 571034728, 713793410, 1427586820, 2855173640]

約数ペア:

[(1, 2855173640), (2, 1427586820), (4, 713793410), (5, 571034728), (8, 356896705), (10, 285517364), (11, 259561240), (20, 142758682), (22, 129780620), (40, 71379341), (44, 64890310), (55, 51912248), (88, 32445155), (110, 25956124), (181, 15774440), (220, 12978062), (362, 7887220), (440, 6489031), (724, 3943610), (905, 3154888), (1448, 1971805), (1810, 1577444), (1991, 1434040), (3620, 788722), (3982, 717020), (7240, 394361), (7964, 358510), (9955, 286808), (15928, 179255), (19910, 143404), (35851, 79640), (39820, 71702)]