51972340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{293}}^1$

素因数の和:497

約数の個数: 72

約数和(自身を含む): 128098152

約数和(自身を除く): 76125812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 181, 196, 245, 293, 362, 490, 586, 724, 905, 980, 1172, 1267, 1465, 1810, 2051, 2534, 2930, 3620, 4102, 5068, 5860, 6335, 8204, 8869, 10255, 12670, 14357, 17738, 20510, 25340, 28714, 35476, 41020, 44345, 53033, 57428, 71785, 88690, 106066, 143570, 177380, 212132, 265165, 287140, 371231, 530330, 742462, 1060660, 1484924, 1856155, 2598617, 3712310, 5197234, 7424620, 10394468, 12993085, 25986170, 51972340]

約数ペア:

[(1, 51972340), (2, 25986170), (4, 12993085), (5, 10394468), (7, 7424620), (10, 5197234), (14, 3712310), (20, 2598617), (28, 1856155), (35, 1484924), (49, 1060660), (70, 742462), (98, 530330), (140, 371231), (181, 287140), (196, 265165), (245, 212132), (293, 177380), (362, 143570), (490, 106066), (586, 88690), (724, 71785), (905, 57428), (980, 53033), (1172, 44345), (1267, 41020), (1465, 35476), (1810, 28714), (2051, 25340), (2534, 20510), (2930, 17738), (3620, 14357), (4102, 12670), (5068, 10255), (5860, 8869), (6335, 8204)]