669409580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{683071}}^1$

素因数の和:683094

約数の個数: 36

約数和(自身を含む): 1635274368

約数和(自身を除く): 965864788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 683071, 1366142, 2732284, 3415355, 4781497, 6830710, 9562994, 13661420, 19125988, 23907485, 33470479, 47814970, 66940958, 95629940, 133881916, 167352395, 334704790, 669409580]

約数ペア:

[(1, 669409580), (2, 334704790), (4, 167352395), (5, 133881916), (7, 95629940), (10, 66940958), (14, 47814970), (20, 33470479), (28, 23907485), (35, 19125988), (49, 13661420), (70, 9562994), (98, 6830710), (140, 4781497), (196, 3415355), (245, 2732284), (490, 1366142), (980, 683071)]