191898640

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{17509}}^1$

素因数の和:17659

約数の個数: 40

約数和(自身を含む): 449446680

約数和(自身を除く): 257548040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 17509, 35018, 70036, 87545, 140072, 175090, 280144, 350180, 700360, 1400720, 2398733, 4797466, 9594932, 11993665, 19189864, 23987330, 38379728, 47974660, 95949320, 191898640]

約数ペア:

[(1, 191898640), (2, 95949320), (4, 47974660), (5, 38379728), (8, 23987330), (10, 19189864), (16, 11993665), (20, 9594932), (40, 4797466), (80, 2398733), (137, 1400720), (274, 700360), (548, 350180), (685, 280144), (1096, 175090), (1370, 140072), (2192, 87545), (2740, 70036), (5480, 35018), (10960, 17509)]