388621040

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{8419}}^1$

素因数の和:9009

約数の個数: 40

約数和(自身を含む): 905217360

約数和(自身を除く): 516596320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 1154, 2308, 2885, 4616, 5770, 8419, 9232, 11540, 16838, 23080, 33676, 42095, 46160, 67352, 84190, 134704, 168380, 336760, 673520, 4857763, 9715526, 19431052, 24288815, 38862104, 48577630, 77724208, 97155260, 194310520, 388621040]

約数ペア:

[(1, 388621040), (2, 194310520), (4, 97155260), (5, 77724208), (8, 48577630), (10, 38862104), (16, 24288815), (20, 19431052), (40, 9715526), (80, 4857763), (577, 673520), (1154, 336760), (2308, 168380), (2885, 134704), (4616, 84190), (5770, 67352), (8419, 46160), (9232, 42095), (11540, 33676), (16838, 23080)]