2010970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:550

約数の個数: 32

約数和(自身を含む): 4032000

約数和(自身を除く): 2021030

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 499, 806, 998, 2015, 2495, 4030, 4990, 6487, 12974, 15469, 30938, 32435, 64870, 77345, 154690, 201097, 402194, 1005485, 2010970]

約数ペア:

[(1, 2010970), (2, 1005485), (5, 402194), (10, 201097), (13, 154690), (26, 77345), (31, 64870), (62, 32435), (65, 30938), (130, 15469), (155, 12974), (310, 6487), (403, 4990), (499, 4030), (806, 2495), (998, 2015)]