209987316

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1$

素因数の和:496

約数の個数: 240

約数和(自身を含む): 722050560

約数和(自身を除く): 512063244

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 27, 28, 33, 36, 38, 42, 44, 54, 57, 63, 66, 76, 77, 81, 84, 99, 108, 114, 126, 132, 133, 154, 162, 171, 189, 198, 209, 228, 231, 252, 266, 297, 308, 324, 342, 378, 396, 399, 418, 443, 462, 513, 532, 567, 594, 627, 684, 693, 756, 798, 836, 886, 891, 924, 1026, 1134, 1188, 1197, 1254, 1329, 1386, 1463, 1539, 1596, 1772, 1782, 1881, 2052, 2079, 2268, 2394, 2508, 2658, 2772, 2926, 3078, 3101, 3564, 3591, 3762, 3987, 4158, 4389, 4788, 4873, 5316, 5643, 5852, 6156, 6202, 6237, 7182, 7524, 7974, 8316, 8417, 8778, 9303, 9746, 10773, 11286, 11961, 12404, 12474, 13167, 14364, 14619, 15948, 16834, 16929, 17556, 18606, 19492, 21546, 22572, 23922, 24948, 25251, 26334, 27909, 29238, 33668, 33858, 34111, 35883, 37212, 39501, 43092, 43857, 47844, 50502, 52668, 55818, 58476, 58919, 67716, 68222, 71766, 75753, 79002, 83727, 87714, 92587, 101004, 102333, 111636, 117838, 118503, 131571, 136444, 143532, 151506, 158004, 167454, 175428, 176757, 185174, 204666, 227259, 235676, 237006, 251181, 263142, 277761, 303012, 306999, 334908, 353514, 370348, 394713, 409332, 454518, 474012, 502362, 526284, 530271, 555522, 613998, 648109, 681777, 707028, 789426, 833283, 909036, 920997, 1004724, 1060542, 1111044, 1227996, 1296218, 1363554, 1578852, 1590813, 1666566, 1841994, 1944327, 2121084, 2499849, 2592436, 2727108, 2762991, 3181626, 3333132, 3683988, 3888654, 4772439, 4999698, 5525982, 5832981, 6363252, 7499547, 7777308, 9544878, 9999396, 11051964, 11665962, 14999094, 17498943, 19089756, 23331924, 29998188, 34997886, 52496829, 69995772, 104993658, 209987316]

約数ペア:

[(1, 209987316), (2, 104993658), (3, 69995772), (4, 52496829), (6, 34997886), (7, 29998188), (9, 23331924), (11, 19089756), (12, 17498943), (14, 14999094), (18, 11665962), (19, 11051964), (21, 9999396), (22, 9544878), (27, 7777308), (28, 7499547), (33, 6363252), (36, 5832981), (38, 5525982), (42, 4999698), (44, 4772439), (54, 3888654), (57, 3683988), (63, 3333132), (66, 3181626), (76, 2762991), (77, 2727108), (81, 2592436), (84, 2499849), (99, 2121084), (108, 1944327), (114, 1841994), (126, 1666566), (132, 1590813), (133, 1578852), (154, 1363554), (162, 1296218), (171, 1227996), (189, 1111044), (198, 1060542), (209, 1004724), (228, 920997), (231, 909036), (252, 833283), (266, 789426), (297, 707028), (308, 681777), (324, 648109), (342, 613998), (378, 555522), (396, 530271), (399, 526284), (418, 502362), (443, 474012), (462, 454518), (513, 409332), (532, 394713), (567, 370348), (594, 353514), (627, 334908), (684, 306999), (693, 303012), (756, 277761), (798, 263142), (836, 251181), (886, 237006), (891, 235676), (924, 227259), (1026, 204666), (1134, 185174), (1188, 176757), (1197, 175428), (1254, 167454), (1329, 158004), (1386, 151506), (1463, 143532), (1539, 136444), (1596, 131571), (1772, 118503), (1782, 117838), (1881, 111636), (2052, 102333), (2079, 101004), (2268, 92587), (2394, 87714), (2508, 83727), (2658, 79002), (2772, 75753), (2926, 71766), (3078, 68222), (3101, 67716), (3564, 58919), (3591, 58476), (3762, 55818), (3987, 52668), (4158, 50502), (4389, 47844), (4788, 43857), (4873, 43092), (5316, 39501), (5643, 37212), (5852, 35883), (6156, 34111), (6202, 33858), (6237, 33668), (7182, 29238), (7524, 27909), (7974, 26334), (8316, 25251), (8417, 24948), (8778, 23922), (9303, 22572), (9746, 21546), (10773, 19492), (11286, 18606), (11961, 17556), (12404, 16929), (12474, 16834), (13167, 15948), (14364, 14619)]