90669140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{887}}^1$

素因数の和:1184

約数の個数: 48

約数和(自身を含む): 201398400

約数和(自身を除く): 110729260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 269, 380, 538, 887, 1076, 1345, 1774, 2690, 3548, 4435, 5111, 5380, 8870, 10222, 16853, 17740, 20444, 25555, 33706, 51110, 67412, 84265, 102220, 168530, 238603, 337060, 477206, 954412, 1193015, 2386030, 4533457, 4772060, 9066914, 18133828, 22667285, 45334570, 90669140]

約数ペア:

[(1, 90669140), (2, 45334570), (4, 22667285), (5, 18133828), (10, 9066914), (19, 4772060), (20, 4533457), (38, 2386030), (76, 1193015), (95, 954412), (190, 477206), (269, 337060), (380, 238603), (538, 168530), (887, 102220), (1076, 84265), (1345, 67412), (1774, 51110), (2690, 33706), (3548, 25555), (4435, 20444), (5111, 17740), (5380, 16853), (8870, 10222)]