1378720.00000000

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1289}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 123096960

約数和(自身を除く): 72026780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 283, 566, 1132, 1289, 1415, 1981, 2578, 2830, 3962, 5156, 5660, 6445, 7924, 9023, 9905, 12890, 18046, 19810, 25780, 36092, 39620, 45115, 90230, 180460, 364787, 729574, 1459148, 1823935, 2553509, 3647870, 5107018, 7295740, 10214036, 12767545, 25535090, 51070180]

約数ペア:

[(1, 51070180), (2, 25535090), (4, 12767545), (5, 10214036), (7, 7295740), (10, 5107018), (14, 3647870), (20, 2553509), (28, 1823935), (35, 1459148), (70, 729574), (140, 364787), (283, 180460), (566, 90230), (1132, 45115), (1289, 39620), (1415, 36092), (1981, 25780), (2578, 19810), (2830, 18046), (3962, 12890), (5156, 9905), (5660, 9023), (6445, 7924)]