214475020

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{61987}}^1$

素因数の和:62169

約数の個数: 24

約数和(自身を含む): 453008304

約数和(自身を除く): 238533284

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 61987, 123974, 247948, 309935, 619870, 1239740, 10723751, 21447502, 42895004, 53618755, 107237510, 214475020]

約数ペア:

[(1, 214475020), (2, 107237510), (4, 53618755), (5, 42895004), (10, 21447502), (20, 10723751), (173, 1239740), (346, 619870), (692, 309935), (865, 247948), (1730, 123974), (3460, 61987)]