248045225

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 335871360

約数和(自身を除く): 87826135

約数列:

[1, 5, 23, 25, 37, 89, 115, 131, 185, 445, 575, 655, 851, 925, 2047, 2225, 3013, 3275, 3293, 4255, 4847, 10235, 11659, 15065, 16465, 21275, 24235, 51175, 58295, 75325, 75739, 82325, 111481, 121175, 268157, 291475, 378695, 431383, 557405, 1340785, 1893475, 2156915, 2787025, 6703925, 9921809, 10784575, 49609045, 248045225]

約数ペア:

[(1, 248045225), (5, 49609045), (23, 10784575), (25, 9921809), (37, 6703925), (89, 2787025), (115, 2156915), (131, 1893475), (185, 1340785), (445, 557405), (575, 431383), (655, 378695), (851, 291475), (925, 268157), (2047, 121175), (2225, 111481), (3013, 82325), (3275, 75739), (3293, 75325), (4255, 58295), (4847, 51175), (10235, 24235), (11659, 21275), (15065, 16465)]