17685080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{1289}}^1$

素因数の和:1321

約数の個数: 64

約数和(自身を含む): 46440000

約数和(自身を除く): 28754920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1289, 1372, 1715, 1960, 2578, 2744, 3430, 5156, 6445, 6860, 9023, 10312, 12890, 13720, 18046, 25780, 36092, 45115, 51560, 63161, 72184, 90230, 126322, 180460, 252644, 315805, 360920, 442127, 505288, 631610, 884254, 1263220, 1768508, 2210635, 2526440, 3537016, 4421270, 8842540, 17685080]

約数ペア:

[(1, 17685080), (2, 8842540), (4, 4421270), (5, 3537016), (7, 2526440), (8, 2210635), (10, 1768508), (14, 1263220), (20, 884254), (28, 631610), (35, 505288), (40, 442127), (49, 360920), (56, 315805), (70, 252644), (98, 180460), (140, 126322), (196, 90230), (245, 72184), (280, 63161), (343, 51560), (392, 45115), (490, 36092), (686, 25780), (980, 18046), (1289, 13720), (1372, 12890), (1715, 10312), (1960, 9023), (2578, 6860), (2744, 6445), (3430, 5156)]