679295320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 128

約数和(自身を含む): 1716940800

約数和(自身を除く): 1037645480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 59, 88, 110, 118, 137, 191, 220, 236, 274, 295, 382, 440, 472, 548, 590, 649, 685, 764, 955, 1096, 1180, 1298, 1370, 1507, 1528, 1910, 2101, 2360, 2596, 2740, 3014, 3245, 3820, 4202, 5192, 5480, 6028, 6490, 7535, 7640, 8083, 8404, 10505, 11269, 12056, 12980, 15070, 16166, 16808, 21010, 22538, 25960, 26167, 30140, 32332, 40415, 42020, 45076, 52334, 56345, 60280, 64664, 80830, 84040, 88913, 90152, 104668, 112690, 123959, 130835, 161660, 177826, 209336, 225380, 247918, 261670, 287837, 323320, 355652, 444565, 450760, 495836, 523340, 575674, 619795, 711304, 889130, 991672, 1046680, 1151348, 1239590, 1439185, 1543853, 1778260, 2302696, 2479180, 2878370, 3087706, 3556520, 4958360, 5756740, 6175412, 7719265, 11513480, 12350824, 15438530, 16982383, 30877060, 33964766, 61754120, 67929532, 84911915, 135859064, 169823830, 339647660, 679295320]

約数ペア:

[(1, 679295320), (2, 339647660), (4, 169823830), (5, 135859064), (8, 84911915), (10, 67929532), (11, 61754120), (20, 33964766), (22, 30877060), (40, 16982383), (44, 15438530), (55, 12350824), (59, 11513480), (88, 7719265), (110, 6175412), (118, 5756740), (137, 4958360), (191, 3556520), (220, 3087706), (236, 2878370), (274, 2479180), (295, 2302696), (382, 1778260), (440, 1543853), (472, 1439185), (548, 1239590), (590, 1151348), (649, 1046680), (685, 991672), (764, 889130), (955, 711304), (1096, 619795), (1180, 575674), (1298, 523340), (1370, 495836), (1507, 450760), (1528, 444565), (1910, 355652), (2101, 323320), (2360, 287837), (2596, 261670), (2740, 247918), (3014, 225380), (3245, 209336), (3820, 177826), (4202, 161660), (5192, 130835), (5480, 123959), (6028, 112690), (6490, 104668), (7535, 90152), (7640, 88913), (8083, 84040), (8404, 80830), (10505, 64664), (11269, 60280), (12056, 56345), (12980, 52334), (15070, 45076), (16166, 42020), (16808, 40415), (21010, 32332), (22538, 30140), (25960, 26167)]