8406440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{4289}}^1$

素因数の和:4314

約数の個数: 48

約数和(自身を含む): 22007700

約数和(自身を除く): 13601260

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, 4289, 8578, 17156, 21445, 30023, 34312, 42890, 60046, 85780, 120092, 150115, 171560, 210161, 240184, 300230, 420322, 600460, 840644, 1050805, 1200920, 1681288, 2101610, 4203220, 8406440]

約数ペア:

[(1, 8406440), (2, 4203220), (4, 2101610), (5, 1681288), (7, 1200920), (8, 1050805), (10, 840644), (14, 600460), (20, 420322), (28, 300230), (35, 240184), (40, 210161), (49, 171560), (56, 150115), (70, 120092), (98, 85780), (140, 60046), (196, 42890), (245, 34312), (280, 30023), (392, 21445), (490, 17156), (980, 8578), (1960, 4289)]