71277640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{919}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 184147200

約数和(自身を除く): 112869560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 919, 1108, 1385, 1838, 1939, 2216, 2770, 3676, 3878, 4595, 5540, 6433, 7352, 7756, 9190, 9695, 11080, 12866, 15512, 18380, 19390, 25732, 32165, 36760, 38780, 51464, 64330, 77560, 128660, 254563, 257320, 509126, 1018252, 1272815, 1781941, 2036504, 2545630, 3563882, 5091260, 7127764, 8909705, 10182520, 14255528, 17819410, 35638820, 71277640]

約数ペア:

[(1, 71277640), (2, 35638820), (4, 17819410), (5, 14255528), (7, 10182520), (8, 8909705), (10, 7127764), (14, 5091260), (20, 3563882), (28, 2545630), (35, 2036504), (40, 1781941), (56, 1272815), (70, 1018252), (140, 509126), (277, 257320), (280, 254563), (554, 128660), (919, 77560), (1108, 64330), (1385, 51464), (1838, 38780), (1939, 36760), (2216, 32165), (2770, 25732), (3676, 19390), (3878, 18380), (4595, 15512), (5540, 12866), (6433, 11080), (7352, 9695), (7756, 9190)]