209710440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2957}}^1$

素因数の和:3171

約数の個数: 96

約数和(自身を含む): 685250280

約数和(自身を除く): 475539840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 197, 360, 394, 591, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 2957, 3546, 3940, 4728, 5910, 5914, 7092, 7880, 8865, 8871, 11820, 11828, 14184, 14785, 17730, 17742, 23640, 23656, 26613, 29570, 35460, 35484, 44355, 53226, 59140, 70920, 70968, 88710, 106452, 118280, 133065, 177420, 212904, 266130, 354840, 532260, 582529, 1064520, 1165058, 1747587, 2330116, 2912645, 3495174, 4660232, 5242761, 5825290, 6990348, 8737935, 10485522, 11650580, 13980696, 17475870, 20971044, 23301160, 26213805, 34951740, 41942088, 52427610, 69903480, 104855220, 209710440]

約数ペア:

[(1, 209710440), (2, 104855220), (3, 69903480), (4, 52427610), (5, 41942088), (6, 34951740), (8, 26213805), (9, 23301160), (10, 20971044), (12, 17475870), (15, 13980696), (18, 11650580), (20, 10485522), (24, 8737935), (30, 6990348), (36, 5825290), (40, 5242761), (45, 4660232), (60, 3495174), (72, 2912645), (90, 2330116), (120, 1747587), (180, 1165058), (197, 1064520), (360, 582529), (394, 532260), (591, 354840), (788, 266130), (985, 212904), (1182, 177420), (1576, 133065), (1773, 118280), (1970, 106452), (2364, 88710), (2955, 70968), (2957, 70920), (3546, 59140), (3940, 53226), (4728, 44355), (5910, 35484), (5914, 35460), (7092, 29570), (7880, 26613), (8865, 23656), (8871, 23640), (11820, 17742), (11828, 17730), (14184, 14785)]