207640280

素因数分解:

$2^3\times 5^1\times {\mathrm{233}}^1\times {\mathrm{22279}}^1$

素因数の和:22523

約数の個数: 32

約数和(自身を含む): 469216800

約数和(自身を除く): 261576520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 233, 466, 932, 1165, 1864, 2330, 4660, 9320, 22279, 44558, 89116, 111395, 178232, 222790, 445580, 891160, 5191007, 10382014, 20764028, 25955035, 41528056, 51910070, 103820140, 207640280]

約数ペア:

[(1, 207640280), (2, 103820140), (4, 51910070), (5, 41528056), (8, 25955035), (10, 20764028), (20, 10382014), (40, 5191007), (233, 891160), (466, 445580), (932, 222790), (1165, 178232), (1864, 111395), (2330, 89116), (4660, 44558), (9320, 22279)]