83923420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{8443}}^1$

素因数の和:8530

約数の個数: 48

約数和(自身を含む): 204277248

約数和(自身を除く): 120353828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 8443, 9940, 16886, 33772, 42215, 59101, 84430, 118202, 168860, 236404, 295505, 591010, 599453, 1182020, 1198906, 2397812, 2997265, 4196171, 5994530, 8392342, 11989060, 16784684, 20980855, 41961710, 83923420]

約数ペア:

[(1, 83923420), (2, 41961710), (4, 20980855), (5, 16784684), (7, 11989060), (10, 8392342), (14, 5994530), (20, 4196171), (28, 2997265), (35, 2397812), (70, 1198906), (71, 1182020), (140, 599453), (142, 591010), (284, 295505), (355, 236404), (497, 168860), (710, 118202), (994, 84430), (1420, 59101), (1988, 42215), (2485, 33772), (4970, 16886), (8443, 9940)]