244351640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{469907}}^1$

素因数の和:469931

約数の個数: 32

約数和(自身を含む): 592084080

約数和(自身を除く): 347732440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 469907, 939814, 1879628, 2349535, 3759256, 4699070, 6108791, 9398140, 12217582, 18796280, 24435164, 30543955, 48870328, 61087910, 122175820, 244351640]

約数ペア:

[(1, 244351640), (2, 122175820), (4, 61087910), (5, 48870328), (8, 30543955), (10, 24435164), (13, 18796280), (20, 12217582), (26, 9398140), (40, 6108791), (52, 4699070), (65, 3759256), (104, 2349535), (130, 1879628), (260, 939814), (520, 469907)]