128429770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{25841}}^1$

素因数の和:25926

約数の個数: 32

約数和(自身を含む): 267929856

約数和(自身を除く): 139500086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 25841, 51682, 129205, 180887, 258410, 361774, 904435, 1808870, 1834711, 3669422, 9173555, 12842977, 18347110, 25685954, 64214885, 128429770]

約数ペア:

[(1, 128429770), (2, 64214885), (5, 25685954), (7, 18347110), (10, 12842977), (14, 9173555), (35, 3669422), (70, 1834711), (71, 1808870), (142, 904435), (355, 361774), (497, 258410), (710, 180887), (994, 129205), (2485, 51682), (4970, 25841)]