136937080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{489061}}^1$

素因数の和:489079

約数の個数: 32

約数和(自身を含む): 352124640

約数和(自身を除く): 215187560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 489061, 978122, 1956244, 2445305, 3423427, 3912488, 4890610, 6846854, 9781220, 13693708, 17117135, 19562440, 27387416, 34234270, 68468540, 136937080]

約数ペア:

[(1, 136937080), (2, 68468540), (4, 34234270), (5, 27387416), (7, 19562440), (8, 17117135), (10, 13693708), (14, 9781220), (20, 6846854), (28, 4890610), (35, 3912488), (40, 3423427), (56, 2445305), (70, 1956244), (140, 978122), (280, 489061)]