219991968

素因数分解:

$2^5\times 3^2\times 7^3\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 288

約数和(自身を含む): 778377600

約数和(自身を除く): 558385632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 32, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 96, 98, 102, 112, 119, 126, 131, 136, 144, 147, 153, 168, 196, 204, 224, 238, 252, 262, 272, 288, 294, 306, 336, 343, 357, 392, 393, 408, 441, 476, 504, 524, 544, 588, 612, 672, 686, 714, 784, 786, 816, 833, 882, 917, 952, 1008, 1029, 1048, 1071, 1176, 1179, 1224, 1372, 1428, 1568, 1572, 1632, 1666, 1764, 1834, 1904, 2016, 2058, 2096, 2142, 2227, 2352, 2358, 2448, 2499, 2744, 2751, 2856, 3087, 3144, 3332, 3528, 3668, 3808, 4116, 4192, 4284, 4454, 4704, 4716, 4896, 4998, 5488, 5502, 5712, 5831, 6174, 6288, 6419, 6664, 6681, 7056, 7336, 7497, 8232, 8253, 8568, 8908, 9432, 9996, 10976, 11004, 11424, 11662, 12348, 12576, 12838, 13328, 13362, 14112, 14672, 14994, 15589, 16464, 16506, 17136, 17493, 17816, 18864, 19257, 19992, 20043, 22008, 23324, 24696, 25676, 26656, 26724, 29344, 29988, 31178, 32928, 33012, 34272, 34986, 35632, 37728, 38514, 39984, 40086, 44016, 44933, 46648, 46767, 49392, 51352, 52479, 53448, 57771, 59976, 62356, 66024, 69972, 71264, 77028, 79968, 80172, 88032, 89866, 93296, 93534, 98784, 102704, 104958, 106896, 109123, 115542, 119952, 124712, 132048, 134799, 139944, 140301, 154056, 160344, 179732, 186592, 187068, 205408, 209916, 213792, 218246, 231084, 239904, 249424, 264096, 269598, 279888, 280602, 308112, 320688, 327369, 359464, 374136, 404397, 419832, 436492, 462168, 498848, 539196, 559776, 561204, 616224, 641376, 654738, 718928, 748272, 763861, 808794, 839664, 872984, 924336, 982107, 1078392, 1122408, 1309476, 1437856, 1496544, 1527722, 1617588, 1679328, 1745968, 1848672, 1964214, 2156784, 2244816, 2291583, 2618952, 3055444, 3235176, 3491936, 3928428, 4313568, 4489632, 4583166, 5237904, 6110888, 6470352, 6874749, 7856856, 9166332, 10475808, 12221776, 12940704, 13749498, 15713712, 18332664, 24443552, 27498996, 31427424, 36665328, 54997992, 73330656, 109995984, 219991968]

約数ペア:

[(1, 219991968), (2, 109995984), (3, 73330656), (4, 54997992), (6, 36665328), (7, 31427424), (8, 27498996), (9, 24443552), (12, 18332664), (14, 15713712), (16, 13749498), (17, 12940704), (18, 12221776), (21, 10475808), (24, 9166332), (28, 7856856), (32, 6874749), (34, 6470352), (36, 6110888), (42, 5237904), (48, 4583166), (49, 4489632), (51, 4313568), (56, 3928428), (63, 3491936), (68, 3235176), (72, 3055444), (84, 2618952), (96, 2291583), (98, 2244816), (102, 2156784), (112, 1964214), (119, 1848672), (126, 1745968), (131, 1679328), (136, 1617588), (144, 1527722), (147, 1496544), (153, 1437856), (168, 1309476), (196, 1122408), (204, 1078392), (224, 982107), (238, 924336), (252, 872984), (262, 839664), (272, 808794), (288, 763861), (294, 748272), (306, 718928), (336, 654738), (343, 641376), (357, 616224), (392, 561204), (393, 559776), (408, 539196), (441, 498848), (476, 462168), (504, 436492), (524, 419832), (544, 404397), (588, 374136), (612, 359464), (672, 327369), (686, 320688), (714, 308112), (784, 280602), (786, 279888), (816, 269598), (833, 264096), (882, 249424), (917, 239904), (952, 231084), (1008, 218246), (1029, 213792), (1048, 209916), (1071, 205408), (1176, 187068), (1179, 186592), (1224, 179732), (1372, 160344), (1428, 154056), (1568, 140301), (1572, 139944), (1632, 134799), (1666, 132048), (1764, 124712), (1834, 119952), (1904, 115542), (2016, 109123), (2058, 106896), (2096, 104958), (2142, 102704), (2227, 98784), (2352, 93534), (2358, 93296), (2448, 89866), (2499, 88032), (2744, 80172), (2751, 79968), (2856, 77028), (3087, 71264), (3144, 69972), (3332, 66024), (3528, 62356), (3668, 59976), (3808, 57771), (4116, 53448), (4192, 52479), (4284, 51352), (4454, 49392), (4704, 46767), (4716, 46648), (4896, 44933), (4998, 44016), (5488, 40086), (5502, 39984), (5712, 38514), (5831, 37728), (6174, 35632), (6288, 34986), (6419, 34272), (6664, 33012), (6681, 32928), (7056, 31178), (7336, 29988), (7497, 29344), (8232, 26724), (8253, 26656), (8568, 25676), (8908, 24696), (9432, 23324), (9996, 22008), (10976, 20043), (11004, 19992), (11424, 19257), (11662, 18864), (12348, 17816), (12576, 17493), (12838, 17136), (13328, 16506), (13362, 16464), (14112, 15589), (14672, 14994)]