207800460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2092

約数の個数: 144

約数和(自身を含む): 729421056

約数和(自身を除く): 521620596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 1987, 2324, 2490, 2905, 2988, 3486, 3735, 3974, 4980, 5229, 5810, 5961, 6972, 7470, 7948, 8715, 9935, 10458, 11620, 11922, 13909, 14940, 17430, 17883, 19870, 20916, 23844, 26145, 27818, 29805, 34860, 35766, 39740, 41727, 52290, 55636, 59610, 69545, 71532, 83454, 89415, 104580, 119220, 125181, 139090, 164921, 166908, 178830, 208635, 250362, 278180, 329842, 357660, 417270, 494763, 500724, 625905, 659684, 824605, 834540, 989526, 1154447, 1251810, 1484289, 1649210, 1979052, 2308894, 2473815, 2503620, 2968578, 3298420, 3463341, 4617788, 4947630, 5772235, 5937156, 6926682, 7421445, 9895260, 10390023, 11544470, 13853364, 14842890, 17316705, 20780046, 23088940, 29685780, 34633410, 41560092, 51950115, 69266820, 103900230, 207800460]

約数ペア:

[(1, 207800460), (2, 103900230), (3, 69266820), (4, 51950115), (5, 41560092), (6, 34633410), (7, 29685780), (9, 23088940), (10, 20780046), (12, 17316705), (14, 14842890), (15, 13853364), (18, 11544470), (20, 10390023), (21, 9895260), (28, 7421445), (30, 6926682), (35, 5937156), (36, 5772235), (42, 4947630), (45, 4617788), (60, 3463341), (63, 3298420), (70, 2968578), (83, 2503620), (84, 2473815), (90, 2308894), (105, 1979052), (126, 1649210), (140, 1484289), (166, 1251810), (180, 1154447), (210, 989526), (249, 834540), (252, 824605), (315, 659684), (332, 625905), (415, 500724), (420, 494763), (498, 417270), (581, 357660), (630, 329842), (747, 278180), (830, 250362), (996, 208635), (1162, 178830), (1245, 166908), (1260, 164921), (1494, 139090), (1660, 125181), (1743, 119220), (1987, 104580), (2324, 89415), (2490, 83454), (2905, 71532), (2988, 69545), (3486, 59610), (3735, 55636), (3974, 52290), (4980, 41727), (5229, 39740), (5810, 35766), (5961, 34860), (6972, 29805), (7470, 27818), (7948, 26145), (8715, 23844), (9935, 20916), (10458, 19870), (11620, 17883), (11922, 17430), (13909, 14940)]