489137480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{940649}}^1$

素因数の和:940673

約数の個数: 32

約数和(自身を含む): 1185219000

約数和(自身を除く): 696081520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 940649, 1881298, 3762596, 4703245, 7525192, 9406490, 12228437, 18812980, 24456874, 37625960, 48913748, 61142185, 97827496, 122284370, 244568740, 489137480]

約数ペア:

[(1, 489137480), (2, 244568740), (4, 122284370), (5, 97827496), (8, 61142185), (10, 48913748), (13, 37625960), (20, 24456874), (26, 18812980), (40, 12228437), (52, 9406490), (65, 7525192), (104, 4703245), (130, 3762596), (260, 1881298), (520, 940649)]