84079180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{221261}}^1$

素因数の和:221289

約数の個数: 24

約数和(自身を含む): 185860080

約数和(自身を除く): 101780900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 221261, 442522, 885044, 1106305, 2212610, 4203959, 4425220, 8407918, 16815836, 21019795, 42039590, 84079180]

約数ペア:

[(1, 84079180), (2, 42039590), (4, 21019795), (5, 16815836), (10, 8407918), (19, 4425220), (20, 4203959), (38, 2212610), (76, 1106305), (95, 885044), (190, 442522), (380, 221261)]