205720812

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{569}}^1$

素因数の和:684

約数の個数: 108

約数和(自身を含む): 579491640

約数和(自身を除く): 373770828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 83, 99, 121, 132, 166, 198, 242, 249, 332, 363, 396, 484, 498, 569, 726, 747, 913, 996, 1089, 1138, 1452, 1494, 1707, 1826, 2178, 2276, 2739, 2988, 3414, 3652, 4356, 5121, 5478, 6259, 6828, 8217, 10043, 10242, 10956, 12518, 16434, 18777, 20086, 20484, 25036, 30129, 32868, 37554, 40172, 47227, 56331, 60258, 68849, 75108, 90387, 94454, 112662, 120516, 137698, 141681, 180774, 188908, 206547, 225324, 275396, 283362, 361548, 413094, 425043, 519497, 566724, 619641, 826188, 850086, 1038994, 1239282, 1558491, 1700172, 2077988, 2478564, 3116982, 4675473, 5714467, 6233964, 9350946, 11428934, 17143401, 18701892, 22857868, 34286802, 51430203, 68573604, 102860406, 205720812]

約数ペア:

[(1, 205720812), (2, 102860406), (3, 68573604), (4, 51430203), (6, 34286802), (9, 22857868), (11, 18701892), (12, 17143401), (18, 11428934), (22, 9350946), (33, 6233964), (36, 5714467), (44, 4675473), (66, 3116982), (83, 2478564), (99, 2077988), (121, 1700172), (132, 1558491), (166, 1239282), (198, 1038994), (242, 850086), (249, 826188), (332, 619641), (363, 566724), (396, 519497), (484, 425043), (498, 413094), (569, 361548), (726, 283362), (747, 275396), (913, 225324), (996, 206547), (1089, 188908), (1138, 180774), (1452, 141681), (1494, 137698), (1707, 120516), (1826, 112662), (2178, 94454), (2276, 90387), (2739, 75108), (2988, 68849), (3414, 60258), (3652, 56331), (4356, 47227), (5121, 40172), (5478, 37554), (6259, 32868), (6828, 30129), (8217, 25036), (10043, 20484), (10242, 20086), (10956, 18777), (12518, 16434)]