201991319992

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41809}}^1$

素因数の和:41898

約数の個数: 192

約数和(自身を含む): 512476876800

約数和(自身を除く): 310485556808

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 31, 44, 46, 56, 62, 77, 88, 92, 121, 124, 154, 161, 184, 217, 242, 248, 253, 308, 322, 341, 434, 484, 506, 616, 644, 682, 713, 847, 868, 968, 1012, 1288, 1364, 1426, 1694, 1736, 1771, 2024, 2387, 2728, 2783, 2852, 3388, 3542, 3751, 4774, 4991, 5566, 5704, 6776, 7084, 7502, 7843, 9548, 9982, 11132, 14168, 15004, 15686, 19096, 19481, 19964, 22264, 26257, 30008, 31372, 38962, 39928, 41809, 52514, 54901, 62744, 77924, 83618, 86273, 105028, 109802, 155848, 167236, 172546, 210056, 219604, 292663, 334472, 345092, 439208, 459899, 585326, 603911, 690184, 919798, 961607, 1170652, 1207822, 1296079, 1839596, 1923214, 2341304, 2415644, 2592158, 3219293, 3679192, 3846428, 4831288, 5058889, 5184316, 6438586, 6731249, 7692856, 9072553, 10117778, 10368632, 10577677, 12877172, 13462498, 14256869, 18145106, 20235556, 21155354, 25754344, 26924996, 28513738, 29809817, 35412223, 36290212, 40471112, 42310708, 53849992, 57027476, 59619634, 70824446, 72580424, 74043739, 84621416, 99798083, 114054952, 116354447, 119239268, 141648892, 148087478, 156825559, 199596166, 208668719, 232708894, 238478536, 283297784, 296174956, 313651118, 327907987, 399192332, 417337438, 465417788, 592349912, 627302236, 655815974, 798384664, 814481129, 834674876, 930835576, 1097778913, 1254604472, 1311631948, 1628962258, 1669349752, 2195557826, 2295355909, 2623263896, 3257924516, 3606987857, 4391115652, 4590711818, 6515849032, 7213975714, 8782231304, 9181423636, 14427951428, 18362847272, 25248914999, 28855902856, 50497829998, 100995659996, 201991319992]

約数ペア:

[(1, 201991319992), (2, 100995659996), (4, 50497829998), (7, 28855902856), (8, 25248914999), (11, 18362847272), (14, 14427951428), (22, 9181423636), (23, 8782231304), (28, 7213975714), (31, 6515849032), (44, 4590711818), (46, 4391115652), (56, 3606987857), (62, 3257924516), (77, 2623263896), (88, 2295355909), (92, 2195557826), (121, 1669349752), (124, 1628962258), (154, 1311631948), (161, 1254604472), (184, 1097778913), (217, 930835576), (242, 834674876), (248, 814481129), (253, 798384664), (308, 655815974), (322, 627302236), (341, 592349912), (434, 465417788), (484, 417337438), (506, 399192332), (616, 327907987), (644, 313651118), (682, 296174956), (713, 283297784), (847, 238478536), (868, 232708894), (968, 208668719), (1012, 199596166), (1288, 156825559), (1364, 148087478), (1426, 141648892), (1694, 119239268), (1736, 116354447), (1771, 114054952), (2024, 99798083), (2387, 84621416), (2728, 74043739), (2783, 72580424), (2852, 70824446), (3388, 59619634), (3542, 57027476), (3751, 53849992), (4774, 42310708), (4991, 40471112), (5566, 36290212), (5704, 35412223), (6776, 29809817), (7084, 28513738), (7502, 26924996), (7843, 25754344), (9548, 21155354), (9982, 20235556), (11132, 18145106), (14168, 14256869), (15004, 13462498), (15686, 12877172), (19096, 10577677), (19481, 10368632), (19964, 10117778), (22264, 9072553), (26257, 7692856), (30008, 6731249), (31372, 6438586), (38962, 5184316), (39928, 5058889), (41809, 4831288), (52514, 3846428), (54901, 3679192), (62744, 3219293), (77924, 2592158), (83618, 2415644), (86273, 2341304), (105028, 1923214), (109802, 1839596), (155848, 1296079), (167236, 1207822), (172546, 1170652), (210056, 961607), (219604, 919798), (292663, 690184), (334472, 603911), (345092, 585326), (439208, 459899)]