51286340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{887}}^1$

素因数の和:969

約数の個数: 72

約数和(自身を含む): 127552320

約数和(自身を除く): 76265980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 887, 980, 1180, 1652, 1774, 2065, 2891, 3548, 4130, 4435, 5782, 6209, 8260, 8870, 11564, 12418, 14455, 17740, 24836, 28910, 31045, 43463, 52333, 57820, 62090, 86926, 104666, 124180, 173852, 209332, 217315, 261665, 366331, 434630, 523330, 732662, 869260, 1046660, 1465324, 1831655, 2564317, 3663310, 5128634, 7326620, 10257268, 12821585, 25643170, 51286340]

約数ペア:

[(1, 51286340), (2, 25643170), (4, 12821585), (5, 10257268), (7, 7326620), (10, 5128634), (14, 3663310), (20, 2564317), (28, 1831655), (35, 1465324), (49, 1046660), (59, 869260), (70, 732662), (98, 523330), (118, 434630), (140, 366331), (196, 261665), (236, 217315), (245, 209332), (295, 173852), (413, 124180), (490, 104666), (590, 86926), (826, 62090), (887, 57820), (980, 52333), (1180, 43463), (1652, 31045), (1774, 28910), (2065, 24836), (2891, 17740), (3548, 14455), (4130, 12418), (4435, 11564), (5782, 8870), (6209, 8260)]