6689620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 16305408

約数和(自身を除く): 9615788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 673, 710, 994, 1346, 1420, 1988, 2485, 2692, 3365, 4711, 4970, 6730, 9422, 9940, 13460, 18844, 23555, 47110, 47783, 94220, 95566, 191132, 238915, 334481, 477830, 668962, 955660, 1337924, 1672405, 3344810, 6689620]

約数ペア:

[(1, 6689620), (2, 3344810), (4, 1672405), (5, 1337924), (7, 955660), (10, 668962), (14, 477830), (20, 334481), (28, 238915), (35, 191132), (70, 95566), (71, 94220), (140, 47783), (142, 47110), (284, 23555), (355, 18844), (497, 13460), (673, 9940), (710, 9422), (994, 6730), (1346, 4970), (1420, 4711), (1988, 3365), (2485, 2692)]