520045925

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{373}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 765760512

約数和(自身を除く): 245714587

約数列:

[1, 5, 7, 25, 31, 35, 155, 175, 217, 257, 373, 775, 1085, 1285, 1799, 1865, 2611, 5425, 6425, 7967, 8995, 9325, 11563, 13055, 39835, 44975, 55769, 57815, 65275, 80941, 95861, 199175, 278845, 289075, 404705, 479305, 671027, 1394225, 2023525, 2396525, 2971691, 3355135, 14858455, 16775675, 20801837, 74292275, 104009185, 520045925]

約数ペア:

[(1, 520045925), (5, 104009185), (7, 74292275), (25, 20801837), (31, 16775675), (35, 14858455), (155, 3355135), (175, 2971691), (217, 2396525), (257, 2023525), (373, 1394225), (775, 671027), (1085, 479305), (1285, 404705), (1799, 289075), (1865, 278845), (2611, 199175), (5425, 95861), (6425, 80941), (7967, 65275), (8995, 57815), (9325, 55769), (11563, 44975), (13055, 39835)]