144415880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{515771}}^1$

素因数の和:515789

約数の個数: 32

約数和(自身を含む): 371355840

約数和(自身を除く): 226939960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 515771, 1031542, 2063084, 2578855, 3610397, 4126168, 5157710, 7220794, 10315420, 14441588, 18051985, 20630840, 28883176, 36103970, 72207940, 144415880]

約数ペア:

[(1, 144415880), (2, 72207940), (4, 36103970), (5, 28883176), (7, 20630840), (8, 18051985), (10, 14441588), (14, 10315420), (20, 7220794), (28, 5157710), (35, 4126168), (40, 3610397), (56, 2578855), (70, 2063084), (140, 1031542), (280, 515771)]