78008870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{17851}}^1$

素因数の和:17900

約数の個数: 32

約数和(自身を含む): 154241280

約数和(自身を除く): 76232410

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 17851, 35702, 89255, 178510, 339169, 410573, 678338, 821146, 1695845, 2052865, 3391690, 4105730, 7800887, 15601774, 39004435, 78008870]

約数ペア:

[(1, 78008870), (2, 39004435), (5, 15601774), (10, 7800887), (19, 4105730), (23, 3391690), (38, 2052865), (46, 1695845), (95, 821146), (115, 678338), (190, 410573), (230, 339169), (437, 178510), (874, 89255), (2185, 35702), (4370, 17851)]