85678460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{87427}}^1$

素因数の和:87450

約数の個数: 36

約数和(自身を含む): 209302632

約数和(自身を除く): 123624172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 87427, 174854, 349708, 437135, 611989, 874270, 1223978, 1748540, 2447956, 3059945, 4283923, 6119890, 8567846, 12239780, 17135692, 21419615, 42839230, 85678460]

約数ペア:

[(1, 85678460), (2, 42839230), (4, 21419615), (5, 17135692), (7, 12239780), (10, 8567846), (14, 6119890), (20, 4283923), (28, 3059945), (35, 2447956), (49, 1748540), (70, 1223978), (98, 874270), (140, 611989), (196, 437135), (245, 349708), (490, 174854), (980, 87427)]