291229700

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{54949}}^1$

素因数の和:55016

約数の個数: 36

約数和(自身を含む): 643904100

約数和(自身を除く): 352674400

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 5300, 54949, 109898, 219796, 274745, 549490, 1098980, 1373725, 2747450, 2912297, 5494900, 5824594, 11649188, 14561485, 29122970, 58245940, 72807425, 145614850, 291229700]

約数ペア:

[(1, 291229700), (2, 145614850), (4, 72807425), (5, 58245940), (10, 29122970), (20, 14561485), (25, 11649188), (50, 5824594), (53, 5494900), (100, 2912297), (106, 2747450), (212, 1373725), (265, 1098980), (530, 549490), (1060, 274745), (1325, 219796), (2650, 109898), (5300, 54949)]