13965980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{14251}}^1$

素因数の和:14274

約数の個数: 36

約数和(自身を含む): 34119288

約数和(自身を除く): 20153308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 14251, 28502, 57004, 71255, 99757, 142510, 199514, 285020, 399028, 498785, 698299, 997570, 1396598, 1995140, 2793196, 3491495, 6982990, 13965980]

約数ペア:

[(1, 13965980), (2, 6982990), (4, 3491495), (5, 2793196), (7, 1995140), (10, 1396598), (14, 997570), (20, 698299), (28, 498785), (35, 399028), (49, 285020), (70, 199514), (98, 142510), (140, 99757), (196, 71255), (245, 57004), (490, 28502), (980, 14251)]