148044440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90271}}^1$

素因数の和:90323

約数の個数: 32

約数和(自身を含む): 341228160

約数和(自身を除く): 193183720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 90271, 180542, 361084, 451355, 722168, 902710, 1805420, 3610840, 3701111, 7402222, 14804444, 18505555, 29608888, 37011110, 74022220, 148044440]

約数ペア:

[(1, 148044440), (2, 74022220), (4, 37011110), (5, 29608888), (8, 18505555), (10, 14804444), (20, 7402222), (40, 3701111), (41, 3610840), (82, 1805420), (164, 902710), (205, 722168), (328, 451355), (410, 361084), (820, 180542), (1640, 90271)]