8971900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{1831}}^1$

素因数の和:1859

約数の個数: 54

約数和(自身を含む): 22660008

約数和(自身を除く): 13688108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 1831, 2450, 3662, 4900, 7324, 9155, 12817, 18310, 25634, 36620, 45775, 51268, 64085, 89719, 91550, 128170, 179438, 183100, 256340, 320425, 358876, 448595, 640850, 897190, 1281700, 1794380, 2242975, 4485950, 8971900]

約数ペア:

[(1, 8971900), (2, 4485950), (4, 2242975), (5, 1794380), (7, 1281700), (10, 897190), (14, 640850), (20, 448595), (25, 358876), (28, 320425), (35, 256340), (49, 183100), (50, 179438), (70, 128170), (98, 91550), (100, 89719), (140, 64085), (175, 51268), (196, 45775), (245, 36620), (350, 25634), (490, 18310), (700, 12817), (980, 9155), (1225, 7324), (1831, 4900), (2450, 3662)]