290480645

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{33601}}^1$

素因数の和:33645

約数の個数: 32

約数和(自身を含む): 451610880

約数和(自身を除く): 161130235

約数列:

[1, 5, 7, 13, 19, 35, 65, 91, 95, 133, 247, 455, 665, 1235, 1729, 8645, 33601, 168005, 235207, 436813, 638419, 1176035, 2184065, 3057691, 3192095, 4468933, 8299447, 15288455, 22344665, 41497235, 58096129, 290480645]

約数ペア:

[(1, 290480645), (5, 58096129), (7, 41497235), (13, 22344665), (19, 15288455), (35, 8299447), (65, 4468933), (91, 3192095), (95, 3057691), (133, 2184065), (247, 1176035), (455, 638419), (665, 436813), (1235, 235207), (1729, 168005), (8645, 33601)]