720885985

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{941}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 920100384

約数和(自身を除く): 199214399

約数列:

[1, 5, 37, 41, 101, 185, 205, 505, 941, 1517, 3737, 4141, 4705, 7585, 18685, 20705, 34817, 38581, 95041, 153217, 174085, 192905, 475205, 766085, 1427497, 3516517, 3896681, 7137485, 17582585, 19483405, 144177197, 720885985]

約数ペア:

[(1, 720885985), (5, 144177197), (37, 19483405), (41, 17582585), (101, 7137485), (185, 3896681), (205, 3516517), (505, 1427497), (941, 766085), (1517, 475205), (3737, 192905), (4141, 174085), (4705, 153217), (7585, 95041), (18685, 38581), (20705, 34817)]