308593220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{38287}}^1$

素因数の和:38340

約数の個数: 48

約数和(自身を含む): 720427008

約数和(自身を除く): 411833788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8060, 38287, 76574, 153148, 191435, 382870, 497731, 765740, 995462, 1186897, 1990924, 2373794, 2488655, 4747588, 4977310, 5934485, 9954620, 11868970, 15429661, 23737940, 30859322, 61718644, 77148305, 154296610, 308593220]

約数ペア:

[(1, 308593220), (2, 154296610), (4, 77148305), (5, 61718644), (10, 30859322), (13, 23737940), (20, 15429661), (26, 11868970), (31, 9954620), (52, 5934485), (62, 4977310), (65, 4747588), (124, 2488655), (130, 2373794), (155, 1990924), (260, 1186897), (310, 995462), (403, 765740), (620, 497731), (806, 382870), (1612, 191435), (2015, 153148), (4030, 76574), (8060, 38287)]