980935900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{200191}}^1$

素因数の和:200219

約数の個数: 54

約数和(自身を含む): 2476174848

約数和(自身を除く): 1495238948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 350, 490, 700, 980, 1225, 2450, 4900, 200191, 400382, 800764, 1000955, 1401337, 2001910, 2802674, 4003820, 5004775, 5605348, 7006685, 9809359, 10009550, 14013370, 19618718, 20019100, 28026740, 35033425, 39237436, 49046795, 70066850, 98093590, 140133700, 196187180, 245233975, 490467950, 980935900]

約数ペア:

[(1, 980935900), (2, 490467950), (4, 245233975), (5, 196187180), (7, 140133700), (10, 98093590), (14, 70066850), (20, 49046795), (25, 39237436), (28, 35033425), (35, 28026740), (49, 20019100), (50, 19618718), (70, 14013370), (98, 10009550), (100, 9809359), (140, 7006685), (175, 5605348), (196, 5004775), (245, 4003820), (350, 2802674), (490, 2001910), (700, 1401337), (980, 1000955), (1225, 800764), (2450, 400382), (4900, 200191)]