248532820

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{120647}}^1$

素因数の和:120759

約数の個数: 24

約数和(自身を含む): 526990464

約数和(自身を除く): 278457644

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 120647, 241294, 482588, 603235, 1206470, 2412940, 12426641, 24853282, 49706564, 62133205, 124266410, 248532820]

約数ペア:

[(1, 248532820), (2, 124266410), (4, 62133205), (5, 49706564), (10, 24853282), (20, 12426641), (103, 2412940), (206, 1206470), (412, 603235), (515, 482588), (1030, 241294), (2060, 120647)]