199921360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 160

約数和(自身を含む): 526707360

約数和(自身を除く): 326786000

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 37, 40, 58, 68, 74, 80, 85, 116, 136, 137, 145, 148, 170, 185, 232, 272, 274, 290, 296, 340, 370, 464, 493, 548, 580, 592, 629, 680, 685, 740, 986, 1073, 1096, 1160, 1258, 1360, 1370, 1480, 1972, 2146, 2192, 2320, 2329, 2465, 2516, 2740, 2960, 3145, 3944, 3973, 4292, 4658, 4930, 5032, 5069, 5365, 5480, 6290, 7888, 7946, 8584, 9316, 9860, 10064, 10138, 10730, 10960, 11645, 12580, 15892, 17168, 18241, 18632, 19720, 19865, 20276, 21460, 23290, 25160, 25345, 31784, 36482, 37264, 39440, 39730, 40552, 42920, 46580, 50320, 50690, 63568, 67541, 72964, 79460, 81104, 85840, 86173, 91205, 93160, 101380, 135082, 145928, 147001, 158920, 172346, 182410, 186320, 202760, 270164, 291856, 294002, 317840, 337705, 344692, 364820, 405520, 430865, 540328, 588004, 675410, 689384, 729640, 735005, 861730, 1080656, 1176008, 1350820, 1378768, 1459280, 1470010, 1723460, 2352016, 2499017, 2701640, 2940020, 3446920, 4998034, 5403280, 5880040, 6893840, 9996068, 11760080, 12495085, 19992136, 24990170, 39984272, 49980340, 99960680, 199921360]

約数ペア:

[(1, 199921360), (2, 99960680), (4, 49980340), (5, 39984272), (8, 24990170), (10, 19992136), (16, 12495085), (17, 11760080), (20, 9996068), (29, 6893840), (34, 5880040), (37, 5403280), (40, 4998034), (58, 3446920), (68, 2940020), (74, 2701640), (80, 2499017), (85, 2352016), (116, 1723460), (136, 1470010), (137, 1459280), (145, 1378768), (148, 1350820), (170, 1176008), (185, 1080656), (232, 861730), (272, 735005), (274, 729640), (290, 689384), (296, 675410), (340, 588004), (370, 540328), (464, 430865), (493, 405520), (548, 364820), (580, 344692), (592, 337705), (629, 317840), (680, 294002), (685, 291856), (740, 270164), (986, 202760), (1073, 186320), (1096, 182410), (1160, 172346), (1258, 158920), (1360, 147001), (1370, 145928), (1480, 135082), (1972, 101380), (2146, 93160), (2192, 91205), (2320, 86173), (2329, 85840), (2465, 81104), (2516, 79460), (2740, 72964), (2960, 67541), (3145, 63568), (3944, 50690), (3973, 50320), (4292, 46580), (4658, 42920), (4930, 40552), (5032, 39730), (5069, 39440), (5365, 37264), (5480, 36482), (6290, 31784), (7888, 25345), (7946, 25160), (8584, 23290), (9316, 21460), (9860, 20276), (10064, 19865), (10138, 19720), (10730, 18632), (10960, 18241), (11645, 17168), (12580, 15892)]