31340225

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 47139840

約数和(自身を除く): 15799615

約数列:

[1, 5, 7, 25, 31, 35, 53, 109, 155, 175, 217, 265, 371, 545, 763, 775, 1085, 1325, 1643, 1855, 2725, 3379, 3815, 5425, 5777, 8215, 9275, 11501, 16895, 19075, 23653, 28885, 40439, 41075, 57505, 84475, 118265, 144425, 179087, 202195, 287525, 591325, 895435, 1010975, 1253609, 4477175, 6268045, 31340225]

約数ペア:

[(1, 31340225), (5, 6268045), (7, 4477175), (25, 1253609), (31, 1010975), (35, 895435), (53, 591325), (109, 287525), (155, 202195), (175, 179087), (217, 144425), (265, 118265), (371, 84475), (545, 57505), (763, 41075), (775, 40439), (1085, 28885), (1325, 23653), (1643, 19075), (1855, 16895), (2725, 11501), (3379, 9275), (3815, 8215), (5425, 5777)]