205792209220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{857539}}^1$

素因数の和:857645

約数の個数: 72

約数和(自身を含む): 474555775680

約数和(自身を除く): 268763566460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 338, 355, 676, 710, 845, 923, 1420, 1690, 1846, 3380, 3692, 4615, 9230, 11999, 18460, 23998, 47996, 59995, 119990, 239980, 857539, 1715078, 3430156, 4287695, 8575390, 11148007, 17150780, 22296014, 44592028, 55740035, 60885269, 111480070, 121770538, 144924091, 222960140, 243541076, 289848182, 304426345, 579696364, 608852690, 724620455, 791508497, 1217705380, 1449240910, 1583016994, 2898481820, 3166033988, 3957542485, 7915084970, 10289610461, 15830169940, 20579220922, 41158441844, 51448052305, 102896104610, 205792209220]

約数ペア:

[(1, 205792209220), (2, 102896104610), (4, 51448052305), (5, 41158441844), (10, 20579220922), (13, 15830169940), (20, 10289610461), (26, 7915084970), (52, 3957542485), (65, 3166033988), (71, 2898481820), (130, 1583016994), (142, 1449240910), (169, 1217705380), (260, 791508497), (284, 724620455), (338, 608852690), (355, 579696364), (676, 304426345), (710, 289848182), (845, 243541076), (923, 222960140), (1420, 144924091), (1690, 121770538), (1846, 111480070), (3380, 60885269), (3692, 55740035), (4615, 44592028), (9230, 22296014), (11999, 17150780), (18460, 11148007), (23998, 8575390), (47996, 4287695), (59995, 3430156), (119990, 1715078), (239980, 857539)]