7131277820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{17401}}^1$

素因数の和:18102

約数の個数: 48

約数和(自身を含む): 15483046656

約数和(自身を除く): 8351768836

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 661, 1322, 2644, 3305, 6610, 13220, 17401, 20491, 34802, 40982, 69604, 81964, 87005, 102455, 174010, 204910, 348020, 409820, 539431, 1078862, 2157724, 2697155, 5394310, 10788620, 11502061, 23004122, 46008244, 57510305, 115020610, 230041220, 356563891, 713127782, 1426255564, 1782819455, 3565638910, 7131277820]

約数ペア:

[(1, 7131277820), (2, 3565638910), (4, 1782819455), (5, 1426255564), (10, 713127782), (20, 356563891), (31, 230041220), (62, 115020610), (124, 57510305), (155, 46008244), (310, 23004122), (620, 11502061), (661, 10788620), (1322, 5394310), (2644, 2697155), (3305, 2157724), (6610, 1078862), (13220, 539431), (17401, 409820), (20491, 348020), (34802, 204910), (40982, 174010), (69604, 102455), (81964, 87005)]