8372140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{8543}}^1$

素因数の和:8566

約数の個数: 36

約数和(自身を含む): 20454336

約数和(自身を除く): 12082196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 8543, 17086, 34172, 42715, 59801, 85430, 119602, 170860, 239204, 299005, 418607, 598010, 837214, 1196020, 1674428, 2093035, 4186070, 8372140]

約数ペア:

[(1, 8372140), (2, 4186070), (4, 2093035), (5, 1674428), (7, 1196020), (10, 837214), (14, 598010), (20, 418607), (28, 299005), (35, 239204), (49, 170860), (70, 119602), (98, 85430), (140, 59801), (196, 42715), (245, 34172), (490, 17086), (980, 8543)]