7939960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4076

約数の個数: 48

約数和(自身を含む): 20786760

約数和(自身を除く): 12846800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 4051, 8102, 16204, 20255, 28357, 32408, 40510, 56714, 81020, 113428, 141785, 162040, 198499, 226856, 283570, 396998, 567140, 793996, 992495, 1134280, 1587992, 1984990, 3969980, 7939960]

約数ペア:

[(1, 7939960), (2, 3969980), (4, 1984990), (5, 1587992), (7, 1134280), (8, 992495), (10, 793996), (14, 567140), (20, 396998), (28, 283570), (35, 226856), (40, 198499), (49, 162040), (56, 141785), (70, 113428), (98, 81020), (140, 56714), (196, 40510), (245, 32408), (280, 28357), (392, 20255), (490, 16204), (980, 8102), (1960, 4051)]