905960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 64

約数和(自身を含む): 2332800

約数和(自身を除く): 1426840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 71, 88, 110, 116, 142, 145, 220, 232, 284, 290, 319, 355, 440, 568, 580, 638, 710, 781, 1160, 1276, 1420, 1562, 1595, 2059, 2552, 2840, 3124, 3190, 3905, 4118, 6248, 6380, 7810, 8236, 10295, 12760, 15620, 16472, 20590, 22649, 31240, 41180, 45298, 82360, 90596, 113245, 181192, 226490, 452980, 905960]

約数ペア:

[(1, 905960), (2, 452980), (4, 226490), (5, 181192), (8, 113245), (10, 90596), (11, 82360), (20, 45298), (22, 41180), (29, 31240), (40, 22649), (44, 20590), (55, 16472), (58, 15620), (71, 12760), (88, 10295), (110, 8236), (116, 7810), (142, 6380), (145, 6248), (220, 4118), (232, 3905), (284, 3190), (290, 3124), (319, 2840), (355, 2552), (440, 2059), (568, 1595), (580, 1562), (638, 1420), (710, 1276), (781, 1160)]