126446740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{12721}}^1$

素因数の和:12808

約数の個数: 48

約数和(自身を含む): 307770624

約数和(自身を除く): 181323884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 9940, 12721, 25442, 50884, 63605, 89047, 127210, 178094, 254420, 356188, 445235, 890470, 903191, 1780940, 1806382, 3612764, 4515955, 6322337, 9031910, 12644674, 18063820, 25289348, 31611685, 63223370, 126446740]

約数ペア:

[(1, 126446740), (2, 63223370), (4, 31611685), (5, 25289348), (7, 18063820), (10, 12644674), (14, 9031910), (20, 6322337), (28, 4515955), (35, 3612764), (70, 1806382), (71, 1780940), (140, 903191), (142, 890470), (284, 445235), (355, 356188), (497, 254420), (710, 178094), (994, 127210), (1420, 89047), (1988, 63605), (2485, 50884), (4970, 25442), (9940, 12721)]