9104500

素因数分解:

$2^2\times 5^3\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 20180160

約数和(自身を除く): 11075660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 131, 139, 250, 262, 278, 500, 524, 556, 655, 695, 1310, 1390, 2620, 2780, 3275, 3475, 6550, 6950, 13100, 13900, 16375, 17375, 18209, 32750, 34750, 36418, 65500, 69500, 72836, 91045, 182090, 364180, 455225, 910450, 1820900, 2276125, 4552250, 9104500]

約数ペア:

[(1, 9104500), (2, 4552250), (4, 2276125), (5, 1820900), (10, 910450), (20, 455225), (25, 364180), (50, 182090), (100, 91045), (125, 72836), (131, 69500), (139, 65500), (250, 36418), (262, 34750), (278, 32750), (500, 18209), (524, 17375), (556, 16375), (655, 13900), (695, 13100), (1310, 6950), (1390, 6550), (2620, 3475), (2780, 3275)]