17950660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1409}}^1$

素因数の和:1445

約数の個数: 72

約数和(自身を含む): 47257560

約数和(自身を除く): 29306900

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, 455, 490, 637, 910, 980, 1274, 1409, 1820, 2548, 2818, 3185, 5636, 6370, 7045, 9863, 12740, 14090, 18317, 19726, 28180, 36634, 39452, 49315, 69041, 73268, 91585, 98630, 128219, 138082, 183170, 197260, 256438, 276164, 345205, 366340, 512876, 641095, 690410, 897533, 1282190, 1380820, 1795066, 2564380, 3590132, 4487665, 8975330, 17950660]

約数ペア:

[(1, 17950660), (2, 8975330), (4, 4487665), (5, 3590132), (7, 2564380), (10, 1795066), (13, 1380820), (14, 1282190), (20, 897533), (26, 690410), (28, 641095), (35, 512876), (49, 366340), (52, 345205), (65, 276164), (70, 256438), (91, 197260), (98, 183170), (130, 138082), (140, 128219), (182, 98630), (196, 91585), (245, 73268), (260, 69041), (364, 49315), (455, 39452), (490, 36634), (637, 28180), (910, 19726), (980, 18317), (1274, 14090), (1409, 12740), (1820, 9863), (2548, 7045), (2818, 6370), (3185, 5636)]