199972920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 192

約数和(自身を含む): 709171200

約数和(自身を除く): 509198280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 71, 84, 98, 105, 120, 140, 142, 147, 168, 196, 210, 213, 245, 280, 284, 294, 355, 392, 420, 426, 479, 490, 497, 568, 588, 710, 735, 840, 852, 958, 980, 994, 1065, 1176, 1420, 1437, 1470, 1491, 1704, 1916, 1960, 1988, 2130, 2395, 2485, 2840, 2874, 2940, 2982, 3353, 3479, 3832, 3976, 4260, 4790, 4970, 5748, 5880, 5964, 6706, 6958, 7185, 7455, 8520, 9580, 9940, 10059, 10437, 11496, 11928, 13412, 13916, 14370, 14910, 16765, 17395, 19160, 19880, 20118, 20874, 23471, 26824, 27832, 28740, 29820, 33530, 34009, 34790, 40236, 41748, 46942, 50295, 52185, 57480, 59640, 67060, 68018, 69580, 70413, 80472, 83496, 93884, 100590, 102027, 104370, 117355, 134120, 136036, 139160, 140826, 170045, 187768, 201180, 204054, 208740, 234710, 238063, 272072, 281652, 340090, 352065, 402360, 408108, 417480, 469420, 476126, 510135, 563304, 680180, 704130, 714189, 816216, 938840, 952252, 1020270, 1190315, 1360360, 1408260, 1428378, 1666441, 1904504, 2040540, 2380630, 2816520, 2856756, 3332882, 3570945, 4081080, 4761260, 4999323, 5713512, 6665764, 7141890, 8332205, 9522520, 9998646, 13331528, 14283780, 16664410, 19997292, 24996615, 28567560, 33328820, 39994584, 49993230, 66657640, 99986460, 199972920]

約数ペア:

[(1, 199972920), (2, 99986460), (3, 66657640), (4, 49993230), (5, 39994584), (6, 33328820), (7, 28567560), (8, 24996615), (10, 19997292), (12, 16664410), (14, 14283780), (15, 13331528), (20, 9998646), (21, 9522520), (24, 8332205), (28, 7141890), (30, 6665764), (35, 5713512), (40, 4999323), (42, 4761260), (49, 4081080), (56, 3570945), (60, 3332882), (70, 2856756), (71, 2816520), (84, 2380630), (98, 2040540), (105, 1904504), (120, 1666441), (140, 1428378), (142, 1408260), (147, 1360360), (168, 1190315), (196, 1020270), (210, 952252), (213, 938840), (245, 816216), (280, 714189), (284, 704130), (294, 680180), (355, 563304), (392, 510135), (420, 476126), (426, 469420), (479, 417480), (490, 408108), (497, 402360), (568, 352065), (588, 340090), (710, 281652), (735, 272072), (840, 238063), (852, 234710), (958, 208740), (980, 204054), (994, 201180), (1065, 187768), (1176, 170045), (1420, 140826), (1437, 139160), (1470, 136036), (1491, 134120), (1704, 117355), (1916, 104370), (1960, 102027), (1988, 100590), (2130, 93884), (2395, 83496), (2485, 80472), (2840, 70413), (2874, 69580), (2940, 68018), (2982, 67060), (3353, 59640), (3479, 57480), (3832, 52185), (3976, 50295), (4260, 46942), (4790, 41748), (4970, 40236), (5748, 34790), (5880, 34009), (5964, 33530), (6706, 29820), (6958, 28740), (7185, 27832), (7455, 26824), (8520, 23471), (9580, 20874), (9940, 20118), (10059, 19880), (10437, 19160), (11496, 17395), (11928, 16765), (13412, 14910), (13916, 14370)]