16980460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17327}}^1$

素因数の和:17350

約数の個数: 36

約数和(自身を含む): 41483232

約数和(自身を除く): 24502772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17327, 34654, 69308, 86635, 121289, 173270, 242578, 346540, 485156, 606445, 849023, 1212890, 1698046, 2425780, 3396092, 4245115, 8490230, 16980460]

約数ペア:

[(1, 16980460), (2, 8490230), (4, 4245115), (5, 3396092), (7, 2425780), (10, 1698046), (14, 1212890), (20, 849023), (28, 606445), (35, 485156), (49, 346540), (70, 242578), (98, 173270), (140, 121289), (196, 86635), (245, 69308), (490, 34654), (980, 17327)]