140199475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 195924960

約数和(自身を除く): 55725485

約数列:

[1, 5, 13, 25, 37, 65, 89, 131, 185, 325, 445, 481, 655, 925, 1157, 1703, 2225, 2405, 3275, 3293, 4847, 5785, 8515, 11659, 12025, 16465, 24235, 28925, 42575, 42809, 58295, 63011, 82325, 121175, 151567, 214045, 291475, 315055, 431383, 757835, 1070225, 1575275, 2156915, 3789175, 5607979, 10784575, 28039895, 140199475]

約数ペア:

[(1, 140199475), (5, 28039895), (13, 10784575), (25, 5607979), (37, 3789175), (65, 2156915), (89, 1575275), (131, 1070225), (185, 757835), (325, 431383), (445, 315055), (481, 291475), (655, 214045), (925, 151567), (1157, 121175), (1703, 82325), (2225, 63011), (2405, 58295), (3275, 42809), (3293, 42575), (4847, 28925), (5785, 24235), (8515, 16465), (11659, 12025)]