5210660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 72

約数和(自身を含む): 13741560

約数和(自身を除く): 8530900

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 409, 455, 490, 637, 818, 910, 980, 1274, 1636, 1820, 2045, 2548, 2863, 3185, 4090, 5317, 5726, 6370, 8180, 10634, 11452, 12740, 14315, 20041, 21268, 26585, 28630, 37219, 40082, 53170, 57260, 74438, 80164, 100205, 106340, 148876, 186095, 200410, 260533, 372190, 400820, 521066, 744380, 1042132, 1302665, 2605330, 5210660]

約数ペア:

[(1, 5210660), (2, 2605330), (4, 1302665), (5, 1042132), (7, 744380), (10, 521066), (13, 400820), (14, 372190), (20, 260533), (26, 200410), (28, 186095), (35, 148876), (49, 106340), (52, 100205), (65, 80164), (70, 74438), (91, 57260), (98, 53170), (130, 40082), (140, 37219), (182, 28630), (196, 26585), (245, 21268), (260, 20041), (364, 14315), (409, 12740), (455, 11452), (490, 10634), (637, 8180), (818, 6370), (910, 5726), (980, 5317), (1274, 4090), (1636, 3185), (1820, 2863), (2045, 2548)]