83431880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{297971}}^1$

素因数の和:297989

約数の個数: 32

約数和(自身を含む): 214539840

約数和(自身を除く): 131107960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 297971, 595942, 1191884, 1489855, 2085797, 2383768, 2979710, 4171594, 5959420, 8343188, 10428985, 11918840, 16686376, 20857970, 41715940, 83431880]

約数ペア:

[(1, 83431880), (2, 41715940), (4, 20857970), (5, 16686376), (7, 11918840), (8, 10428985), (10, 8343188), (14, 5959420), (20, 4171594), (28, 2979710), (35, 2383768), (40, 2085797), (56, 1489855), (70, 1191884), (140, 595942), (280, 297971)]