4989700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1217}}^1$

素因数の和:1272

約数の個数: 36

約数和(自身を含む): 11100852

約数和(自身を除く): 6111152

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 1217, 2050, 2434, 4100, 4868, 6085, 12170, 24340, 30425, 49897, 60850, 99794, 121700, 199588, 249485, 498970, 997940, 1247425, 2494850, 4989700]

約数ペア:

[(1, 4989700), (2, 2494850), (4, 1247425), (5, 997940), (10, 498970), (20, 249485), (25, 199588), (41, 121700), (50, 99794), (82, 60850), (100, 49897), (164, 30425), (205, 24340), (410, 12170), (820, 6085), (1025, 4868), (1217, 4100), (2050, 2434)]