201705940

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1\times {\mathrm{461}}^1$

素因数の和:768

約数の個数: 48

約数和(自身を含む): 430303104

約数和(自身を除く): 228597164

約数列:

[1, 2, 4, 5, 10, 20, 131, 167, 262, 334, 461, 524, 655, 668, 835, 922, 1310, 1670, 1844, 2305, 2620, 3340, 4610, 9220, 21877, 43754, 60391, 76987, 87508, 109385, 120782, 153974, 218770, 241564, 301955, 307948, 384935, 437540, 603910, 769870, 1207820, 1539740, 10085297, 20170594, 40341188, 50426485, 100852970, 201705940]

約数ペア:

[(1, 201705940), (2, 100852970), (4, 50426485), (5, 40341188), (10, 20170594), (20, 10085297), (131, 1539740), (167, 1207820), (262, 769870), (334, 603910), (461, 437540), (524, 384935), (655, 307948), (668, 301955), (835, 241564), (922, 218770), (1310, 153974), (1670, 120782), (1844, 109385), (2305, 87508), (2620, 76987), (3340, 60391), (4610, 43754), (9220, 21877)]