199486980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 288

約数和(自身を含む): 776805120

約数和(自身を除く): 577318140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 37, 42, 44, 45, 55, 60, 63, 66, 70, 74, 77, 84, 90, 99, 105, 110, 111, 126, 132, 140, 148, 154, 165, 180, 185, 198, 210, 220, 222, 231, 252, 259, 308, 315, 330, 333, 370, 385, 389, 396, 407, 420, 444, 462, 495, 518, 555, 630, 660, 666, 693, 740, 770, 777, 778, 814, 924, 990, 1036, 1110, 1155, 1167, 1221, 1260, 1295, 1332, 1386, 1540, 1554, 1556, 1628, 1665, 1945, 1980, 2035, 2220, 2310, 2331, 2334, 2442, 2590, 2723, 2772, 2849, 3108, 3330, 3465, 3501, 3663, 3885, 3890, 4070, 4279, 4620, 4662, 4668, 4884, 5180, 5446, 5698, 5835, 6105, 6660, 6930, 7002, 7326, 7770, 7780, 8140, 8169, 8547, 8558, 9324, 10892, 11396, 11655, 11670, 12210, 12837, 13615, 13860, 14004, 14245, 14393, 14652, 15540, 16338, 17094, 17116, 17505, 18315, 21395, 23310, 23340, 24420, 24507, 25641, 25674, 27230, 28490, 28786, 29953, 32676, 34188, 35010, 36630, 38511, 40845, 42735, 42790, 43179, 46620, 49014, 51282, 51348, 54460, 56980, 57572, 59906, 64185, 70020, 71965, 73260, 77022, 81690, 85470, 85580, 86358, 89859, 98028, 100751, 102564, 119812, 122535, 128205, 128370, 129537, 143930, 149765, 154044, 158323, 163380, 170940, 172716, 179718, 192555, 201502, 215895, 245070, 256410, 256740, 259074, 269577, 287860, 299530, 302253, 316646, 359436, 385110, 403004, 431790, 449295, 474969, 490140, 503755, 512820, 518148, 539154, 599060, 604506, 633292, 647685, 770220, 791615, 863580, 898590, 906759, 949938, 1007510, 1078308, 1108261, 1209012, 1295370, 1347885, 1424907, 1511265, 1583230, 1797180, 1813518, 1899876, 2015020, 2216522, 2374845, 2590740, 2695770, 2849814, 3022530, 3166460, 3324783, 3627036, 4433044, 4533795, 4749690, 5391540, 5541305, 5699628, 6045060, 6649566, 7124535, 9067590, 9499380, 9974349, 11082610, 13299132, 14249070, 16623915, 18135180, 19948698, 22165220, 28498140, 33247830, 39897396, 49871745, 66495660, 99743490, 199486980]

約数ペア:

[(1, 199486980), (2, 99743490), (3, 66495660), (4, 49871745), (5, 39897396), (6, 33247830), (7, 28498140), (9, 22165220), (10, 19948698), (11, 18135180), (12, 16623915), (14, 14249070), (15, 13299132), (18, 11082610), (20, 9974349), (21, 9499380), (22, 9067590), (28, 7124535), (30, 6649566), (33, 6045060), (35, 5699628), (36, 5541305), (37, 5391540), (42, 4749690), (44, 4533795), (45, 4433044), (55, 3627036), (60, 3324783), (63, 3166460), (66, 3022530), (70, 2849814), (74, 2695770), (77, 2590740), (84, 2374845), (90, 2216522), (99, 2015020), (105, 1899876), (110, 1813518), (111, 1797180), (126, 1583230), (132, 1511265), (140, 1424907), (148, 1347885), (154, 1295370), (165, 1209012), (180, 1108261), (185, 1078308), (198, 1007510), (210, 949938), (220, 906759), (222, 898590), (231, 863580), (252, 791615), (259, 770220), (308, 647685), (315, 633292), (330, 604506), (333, 599060), (370, 539154), (385, 518148), (389, 512820), (396, 503755), (407, 490140), (420, 474969), (444, 449295), (462, 431790), (495, 403004), (518, 385110), (555, 359436), (630, 316646), (660, 302253), (666, 299530), (693, 287860), (740, 269577), (770, 259074), (777, 256740), (778, 256410), (814, 245070), (924, 215895), (990, 201502), (1036, 192555), (1110, 179718), (1155, 172716), (1167, 170940), (1221, 163380), (1260, 158323), (1295, 154044), (1332, 149765), (1386, 143930), (1540, 129537), (1554, 128370), (1556, 128205), (1628, 122535), (1665, 119812), (1945, 102564), (1980, 100751), (2035, 98028), (2220, 89859), (2310, 86358), (2331, 85580), (2334, 85470), (2442, 81690), (2590, 77022), (2723, 73260), (2772, 71965), (2849, 70020), (3108, 64185), (3330, 59906), (3465, 57572), (3501, 56980), (3663, 54460), (3885, 51348), (3890, 51282), (4070, 49014), (4279, 46620), (4620, 43179), (4662, 42790), (4668, 42735), (4884, 40845), (5180, 38511), (5446, 36630), (5698, 35010), (5835, 34188), (6105, 32676), (6660, 29953), (6930, 28786), (7002, 28490), (7326, 27230), (7770, 25674), (7780, 25641), (8140, 24507), (8169, 24420), (8547, 23340), (8558, 23310), (9324, 21395), (10892, 18315), (11396, 17505), (11655, 17116), (11670, 17094), (12210, 16338), (12837, 15540), (13615, 14652), (13860, 14393), (14004, 14245)]