321009970

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{439}}^1\times {\mathrm{881}}^1$

素因数の和:1410

約数の個数: 32

約数和(自身を含む): 586776960

約数和(自身を除く): 265766990

約数列:

[1, 2, 5, 10, 83, 166, 415, 439, 830, 878, 881, 1762, 2195, 4390, 4405, 8810, 36437, 72874, 73123, 146246, 182185, 364370, 365615, 386759, 731230, 773518, 1933795, 3867590, 32100997, 64201994, 160504985, 321009970]

約数ペア:

[(1, 321009970), (2, 160504985), (5, 64201994), (10, 32100997), (83, 3867590), (166, 1933795), (415, 773518), (439, 731230), (830, 386759), (878, 365615), (881, 364370), (1762, 182185), (2195, 146246), (4390, 73123), (4405, 72874), (8810, 36437)]