289161567340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{719}}^1\times {\mathrm{7103}}^1$

素因数の和:7999

約数の個数: 96

約数和(自身を含む): 644474880000

約数和(自身を除く): 355313312660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 596, 719, 745, 1438, 1490, 2831, 2876, 2980, 3595, 5662, 7103, 7190, 11324, 13661, 14155, 14206, 14380, 27322, 28310, 28412, 35515, 54644, 56620, 68305, 71030, 107131, 134957, 136610, 142060, 214262, 269914, 273220, 428524, 535655, 539828, 674785, 1058347, 1071310, 1349570, 2035489, 2116694, 2142620, 2699140, 4070978, 4233388, 5107057, 5291735, 8141956, 10177445, 10214114, 10583470, 20108593, 20354890, 20428228, 21166940, 25535285, 40217186, 40709780, 51070570, 80434372, 97034083, 100542965, 102141140, 194068166, 201085930, 388136332, 402171860, 485170415, 760951493, 970340830, 1521902986, 1940681660, 3043805972, 3804757465, 7609514930, 14458078367, 15219029860, 28916156734, 57832313468, 72290391835, 144580783670, 289161567340]

約数ペア:

[(1, 289161567340), (2, 144580783670), (4, 72290391835), (5, 57832313468), (10, 28916156734), (19, 15219029860), (20, 14458078367), (38, 7609514930), (76, 3804757465), (95, 3043805972), (149, 1940681660), (190, 1521902986), (298, 970340830), (380, 760951493), (596, 485170415), (719, 402171860), (745, 388136332), (1438, 201085930), (1490, 194068166), (2831, 102141140), (2876, 100542965), (2980, 97034083), (3595, 80434372), (5662, 51070570), (7103, 40709780), (7190, 40217186), (11324, 25535285), (13661, 21166940), (14155, 20428228), (14206, 20354890), (14380, 20108593), (27322, 10583470), (28310, 10214114), (28412, 10177445), (35515, 8141956), (54644, 5291735), (56620, 5107057), (68305, 4233388), (71030, 4070978), (107131, 2699140), (134957, 2142620), (136610, 2116694), (142060, 2035489), (214262, 1349570), (269914, 1071310), (273220, 1058347), (428524, 674785), (535655, 539828)]