278340970

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{381289}}^1$

素因数の和:381369

約数の個数: 16

約数和(自身を含む): 507878280

約数和(自身を除く): 229537310

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 381289, 762578, 1906445, 3812890, 27834097, 55668194, 139170485, 278340970]

約数ペア:

[(1, 278340970), (2, 139170485), (5, 55668194), (10, 27834097), (73, 3812890), (146, 1906445), (365, 762578), (730, 381289)]