209503044

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{193}}^1$

素因数の和:271

約数の個数: 144

約数和(自身を含む): 600779200

約数和(自身を除く): 391276156

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 27, 36, 38, 46, 54, 57, 69, 76, 92, 108, 114, 138, 171, 193, 207, 228, 276, 342, 386, 414, 437, 513, 529, 579, 621, 684, 772, 828, 874, 1026, 1058, 1158, 1242, 1311, 1587, 1737, 1748, 2052, 2116, 2316, 2484, 2622, 3174, 3474, 3667, 3933, 4439, 4761, 5211, 5244, 6348, 6948, 7334, 7866, 8878, 9522, 10051, 10422, 11001, 11799, 13317, 14283, 14668, 15732, 17756, 19044, 20102, 20844, 22002, 23598, 26634, 28566, 30153, 33003, 39951, 40204, 44004, 47196, 53268, 57132, 60306, 66006, 79902, 84341, 90459, 99009, 102097, 119853, 120612, 132012, 159804, 168682, 180918, 198018, 204194, 239706, 253023, 271377, 306291, 337364, 361836, 396036, 408388, 479412, 506046, 542754, 612582, 759069, 918873, 1012092, 1085508, 1225164, 1518138, 1837746, 1939843, 2277207, 2756619, 3036276, 3675492, 3879686, 4554414, 5513238, 5819529, 7759372, 9108828, 11026476, 11639058, 17458587, 23278116, 34917174, 52375761, 69834348, 104751522, 209503044]

約数ペア:

[(1, 209503044), (2, 104751522), (3, 69834348), (4, 52375761), (6, 34917174), (9, 23278116), (12, 17458587), (18, 11639058), (19, 11026476), (23, 9108828), (27, 7759372), (36, 5819529), (38, 5513238), (46, 4554414), (54, 3879686), (57, 3675492), (69, 3036276), (76, 2756619), (92, 2277207), (108, 1939843), (114, 1837746), (138, 1518138), (171, 1225164), (193, 1085508), (207, 1012092), (228, 918873), (276, 759069), (342, 612582), (386, 542754), (414, 506046), (437, 479412), (513, 408388), (529, 396036), (579, 361836), (621, 337364), (684, 306291), (772, 271377), (828, 253023), (874, 239706), (1026, 204194), (1058, 198018), (1158, 180918), (1242, 168682), (1311, 159804), (1587, 132012), (1737, 120612), (1748, 119853), (2052, 102097), (2116, 99009), (2316, 90459), (2484, 84341), (2622, 79902), (3174, 66006), (3474, 60306), (3667, 57132), (3933, 53268), (4439, 47196), (4761, 44004), (5211, 40204), (5244, 39951), (6348, 33003), (6948, 30153), (7334, 28566), (7866, 26634), (8878, 23598), (9522, 22002), (10051, 20844), (10422, 20102), (11001, 19044), (11799, 17756), (13317, 15732), (14283, 14668)]