149622640

素因数分解:

$2^4\times 5^1\times {\mathrm{911}}^1\times {\mathrm{2053}}^1$

素因数の和:2977

約数の個数: 40

約数和(自身を含む): 348424128

約数和(自身を除く): 198801488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911, 1822, 2053, 3644, 4106, 4555, 7288, 8212, 9110, 10265, 14576, 16424, 18220, 20530, 32848, 36440, 41060, 72880, 82120, 164240, 1870283, 3740566, 7481132, 9351415, 14962264, 18702830, 29924528, 37405660, 74811320, 149622640]

約数ペア:

[(1, 149622640), (2, 74811320), (4, 37405660), (5, 29924528), (8, 18702830), (10, 14962264), (16, 9351415), (20, 7481132), (40, 3740566), (80, 1870283), (911, 164240), (1822, 82120), (2053, 72880), (3644, 41060), (4106, 36440), (4555, 32848), (7288, 20530), (8212, 18220), (9110, 16424), (10265, 14576)]