1219985930

素因数分解:

$2^1\times 5^1\times {\mathrm{877}}^1\times {\mathrm{139109}}^1$

素因数の和:139993

約数の個数: 16

約数和(自身を含む): 2198494440

約数和(自身を除く): 978508510

約数列:

[1, 2, 5, 10, 877, 1754, 4385, 8770, 139109, 278218, 695545, 1391090, 121998593, 243997186, 609992965, 1219985930]

約数ペア:

[(1, 1219985930), (2, 609992965), (5, 243997186), (10, 121998593), (877, 1391090), (1754, 695545), (4385, 278218), (8770, 139109)]