1688380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 3810240

約数和(自身を除く): 2121860

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 71, 82, 116, 142, 145, 164, 205, 284, 290, 355, 410, 580, 710, 820, 1189, 1420, 2059, 2378, 2911, 4118, 4756, 5822, 5945, 8236, 10295, 11644, 11890, 14555, 20590, 23780, 29110, 41180, 58220, 84419, 168838, 337676, 422095, 844190, 1688380]

約数ペア:

[(1, 1688380), (2, 844190), (4, 422095), (5, 337676), (10, 168838), (20, 84419), (29, 58220), (41, 41180), (58, 29110), (71, 23780), (82, 20590), (116, 14555), (142, 11890), (145, 11644), (164, 10295), (205, 8236), (284, 5945), (290, 5822), (355, 4756), (410, 4118), (580, 2911), (710, 2378), (820, 2059), (1189, 1420)]