866589080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{43591}}^1$

素因数の和:43680

約数の個数: 64

約数和(自身を含む): 2259809280

約数和(自身を除く): 1393220200

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, 43591, 87182, 174364, 217955, 305137, 348728, 435910, 610274, 871820, 1220548, 1525685, 1743640, 2441096, 3051370, 3094961, 6102740, 6189922, 12205480, 12379844, 15474805, 21664727, 24759688, 30949610, 43329454, 61899220, 86658908, 108323635, 123798440, 173317816, 216647270, 433294540, 866589080]

約数ペア:

[(1, 866589080), (2, 433294540), (4, 216647270), (5, 173317816), (7, 123798440), (8, 108323635), (10, 86658908), (14, 61899220), (20, 43329454), (28, 30949610), (35, 24759688), (40, 21664727), (56, 15474805), (70, 12379844), (71, 12205480), (140, 6189922), (142, 6102740), (280, 3094961), (284, 3051370), (355, 2441096), (497, 1743640), (568, 1525685), (710, 1220548), (994, 871820), (1420, 610274), (1988, 435910), (2485, 348728), (2840, 305137), (3976, 217955), (4970, 174364), (9940, 87182), (19880, 43591)]