90400492

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2087}}^1$

素因数の和:2135

約数の個数: 72

約数和(自身を含む): 209944224

約数和(自身を除く): 119543732

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 49, 52, 68, 91, 98, 119, 182, 196, 221, 238, 364, 442, 476, 637, 833, 884, 1274, 1547, 1666, 2087, 2548, 3094, 3332, 4174, 6188, 8348, 10829, 14609, 21658, 27131, 29218, 35479, 43316, 54262, 58436, 70958, 102263, 108524, 141916, 189917, 204526, 248353, 379834, 409052, 461227, 496706, 759668, 922454, 993412, 1329419, 1738471, 1844908, 2658838, 3228589, 3476942, 5317676, 6457178, 6953884, 12914356, 22600123, 45200246, 90400492]

約数ペア:

[(1, 90400492), (2, 45200246), (4, 22600123), (7, 12914356), (13, 6953884), (14, 6457178), (17, 5317676), (26, 3476942), (28, 3228589), (34, 2658838), (49, 1844908), (52, 1738471), (68, 1329419), (91, 993412), (98, 922454), (119, 759668), (182, 496706), (196, 461227), (221, 409052), (238, 379834), (364, 248353), (442, 204526), (476, 189917), (637, 141916), (833, 108524), (884, 102263), (1274, 70958), (1547, 58436), (1666, 54262), (2087, 43316), (2548, 35479), (3094, 29218), (3332, 27131), (4174, 21658), (6188, 14609), (8348, 10829)]