51725380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1123}}^1$

素因数の和:1193

約数の個数: 72

約数和(自身を含む): 129161088

約数和(自身を除く): 77435708

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 658, 940, 980, 1123, 1316, 1645, 2246, 2303, 3290, 4492, 4606, 5615, 6580, 7861, 9212, 11230, 11515, 15722, 22460, 23030, 31444, 39305, 46060, 52781, 55027, 78610, 105562, 110054, 157220, 211124, 220108, 263905, 275135, 369467, 527810, 550270, 738934, 1055620, 1100540, 1477868, 1847335, 2586269, 3694670, 5172538, 7389340, 10345076, 12931345, 25862690, 51725380]

約数ペア:

[(1, 51725380), (2, 25862690), (4, 12931345), (5, 10345076), (7, 7389340), (10, 5172538), (14, 3694670), (20, 2586269), (28, 1847335), (35, 1477868), (47, 1100540), (49, 1055620), (70, 738934), (94, 550270), (98, 527810), (140, 369467), (188, 275135), (196, 263905), (235, 220108), (245, 211124), (329, 157220), (470, 110054), (490, 105562), (658, 78610), (940, 55027), (980, 52781), (1123, 46060), (1316, 39305), (1645, 31444), (2246, 23030), (2303, 22460), (3290, 15722), (4492, 11515), (4606, 11230), (5615, 9212), (6580, 7861)]