78308870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71843}}^1$

素因数の和:71959

約数の個数: 16

約数和(自身を含む): 142251120

約数和(自身を除く): 63942250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 71843, 143686, 359215, 718430, 7830887, 15661774, 39154435, 78308870]

約数ペア:

[(1, 78308870), (2, 39154435), (5, 15661774), (10, 7830887), (109, 718430), (218, 359215), (545, 143686), (1090, 71843)]