388114580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2772247}}^1$

素因数の和:2772263

約数の個数: 24

約数和(自身を含む): 931475328

約数和(自身を除く): 543360748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2772247, 5544494, 11088988, 13861235, 19405729, 27722470, 38811458, 55444940, 77622916, 97028645, 194057290, 388114580]

約数ペア:

[(1, 388114580), (2, 194057290), (4, 97028645), (5, 77622916), (7, 55444940), (10, 38811458), (14, 27722470), (20, 19405729), (28, 13861235), (35, 11088988), (70, 5544494), (140, 2772247)]