74971880

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13681}}^1$

素因数の和:13829

約数の個数: 32

約数和(自身を含む): 169930440

約数和(自身を除く): 94958560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 13681, 27362, 54724, 68405, 109448, 136810, 273620, 547240, 1874297, 3748594, 7497188, 9371485, 14994376, 18742970, 37485940, 74971880]

約数ペア:

[(1, 74971880), (2, 37485940), (4, 18742970), (5, 14994376), (8, 9371485), (10, 7497188), (20, 3748594), (40, 1874297), (137, 547240), (274, 273620), (548, 136810), (685, 109448), (1096, 68405), (1370, 54724), (2740, 27362), (5480, 13681)]