1686042680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{84811}}^1$

素因数の和:84900

約数の個数: 64

約数和(自身を含む): 4396654080

約数和(自身を除く): 2710611400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 84811, 169622, 339244, 424055, 593677, 678488, 848110, 1187354, 1696220, 2374708, 2968385, 3392440, 4749416, 5936770, 6021581, 11873540, 12043162, 23747080, 24086324, 30107905, 42151067, 48172648, 60215810, 84302134, 120431620, 168604268, 210755335, 240863240, 337208536, 421510670, 843021340, 1686042680]

約数ペア:

[(1, 1686042680), (2, 843021340), (4, 421510670), (5, 337208536), (7, 240863240), (8, 210755335), (10, 168604268), (14, 120431620), (20, 84302134), (28, 60215810), (35, 48172648), (40, 42151067), (56, 30107905), (70, 24086324), (71, 23747080), (140, 12043162), (142, 11873540), (280, 6021581), (284, 5936770), (355, 4749416), (497, 3392440), (568, 2968385), (710, 2374708), (994, 1696220), (1420, 1187354), (1988, 848110), (2485, 678488), (2840, 593677), (3976, 424055), (4970, 339244), (9940, 169622), (19880, 84811)]