239660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{521}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 526176

約数和(自身を除く): 286516

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 521, 1042, 2084, 2605, 5210, 10420, 11983, 23966, 47932, 59915, 119830, 239660]

約数ペア:

[(1, 239660), (2, 119830), (4, 59915), (5, 47932), (10, 23966), (20, 11983), (23, 10420), (46, 5210), (92, 2605), (115, 2084), (230, 1042), (460, 521)]