154465730

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1\times {\mathrm{881}}^1$

素因数の和:1174

約数の個数: 32

約数和(自身を含む): 282910320

約数和(自身を除く): 128444590

約数列:

[1, 2, 5, 10, 89, 178, 197, 394, 445, 881, 890, 985, 1762, 1970, 4405, 8810, 17533, 35066, 78409, 87665, 156818, 173557, 175330, 347114, 392045, 784090, 867785, 1735570, 15446573, 30893146, 77232865, 154465730]

約数ペア:

[(1, 154465730), (2, 77232865), (5, 30893146), (10, 15446573), (89, 1735570), (178, 867785), (197, 784090), (394, 392045), (445, 347114), (881, 175330), (890, 173557), (985, 156818), (1762, 87665), (1970, 78409), (4405, 35066), (8810, 17533)]