147899020

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{15061}}^1$

素因数の和:15561

約数の個数: 24

約数和(自身を含む): 311241168

約数和(自身を除く): 163342148

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 4910, 9820, 15061, 30122, 60244, 75305, 150610, 301220, 7394951, 14789902, 29579804, 36974755, 73949510, 147899020]

約数ペア:

[(1, 147899020), (2, 73949510), (4, 36974755), (5, 29579804), (10, 14789902), (20, 7394951), (491, 301220), (982, 150610), (1964, 75305), (2455, 60244), (4910, 30122), (9820, 15061)]