83870920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{299539}}^1$

素因数の和:299557

約数の個数: 32

約数和(自身を含む): 215668800

約数和(自身を除く): 131797880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 299539, 599078, 1198156, 1497695, 2096773, 2396312, 2995390, 4193546, 5990780, 8387092, 10483865, 11981560, 16774184, 20967730, 41935460, 83870920]

約数ペア:

[(1, 83870920), (2, 41935460), (4, 20967730), (5, 16774184), (7, 11981560), (8, 10483865), (10, 8387092), (14, 5990780), (20, 4193546), (28, 2995390), (35, 2396312), (40, 2096773), (56, 1497695), (70, 1198156), (140, 599078), (280, 299539)]