140740460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{14159}}^1$

素因数の和:14246

約数の個数: 48

約数和(自身を含む): 342558720

約数和(自身を除く): 201818260

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, 9940, 14159, 28318, 56636, 70795, 99113, 141590, 198226, 283180, 396452, 495565, 991130, 1005289, 1982260, 2010578, 4021156, 5026445, 7037023, 10052890, 14074046, 20105780, 28148092, 35185115, 70370230, 140740460]

約数ペア:

[(1, 140740460), (2, 70370230), (4, 35185115), (5, 28148092), (7, 20105780), (10, 14074046), (14, 10052890), (20, 7037023), (28, 5026445), (35, 4021156), (70, 2010578), (71, 1982260), (140, 1005289), (142, 991130), (284, 495565), (355, 396452), (497, 283180), (710, 198226), (994, 141590), (1420, 99113), (1988, 70795), (2485, 56636), (4970, 28318), (9940, 14159)]