321016660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1\times {\mathrm{1889}}^1$

素因数の和:2220

約数の個数: 48

約数和(自身を含む): 700131600

約数和(自身を除く): 379114940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 293, 580, 586, 1172, 1465, 1889, 2930, 3778, 5860, 7556, 8497, 9445, 16994, 18890, 33988, 37780, 42485, 54781, 84970, 109562, 169940, 219124, 273905, 547810, 553477, 1095620, 1106954, 2213908, 2767385, 5534770, 11069540, 16050833, 32101666, 64203332, 80254165, 160508330, 321016660]

約数ペア:

[(1, 321016660), (2, 160508330), (4, 80254165), (5, 64203332), (10, 32101666), (20, 16050833), (29, 11069540), (58, 5534770), (116, 2767385), (145, 2213908), (290, 1106954), (293, 1095620), (580, 553477), (586, 547810), (1172, 273905), (1465, 219124), (1889, 169940), (2930, 109562), (3778, 84970), (5860, 54781), (7556, 42485), (8497, 37780), (9445, 33988), (16994, 18890)]