291517072

素因数分解:

$2^4\times 7^3\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 120

約数和(自身を含む): 725648000

約数和(自身を除く): 434130928

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 121, 154, 176, 196, 242, 308, 343, 392, 439, 484, 539, 616, 686, 784, 847, 878, 968, 1078, 1232, 1372, 1694, 1756, 1936, 2156, 2744, 3073, 3388, 3512, 3773, 4312, 4829, 5488, 5929, 6146, 6776, 7024, 7546, 8624, 9658, 11858, 12292, 13552, 15092, 19316, 21511, 23716, 24584, 30184, 33803, 38632, 41503, 43022, 47432, 49168, 53119, 60368, 67606, 77264, 83006, 86044, 94864, 106238, 135212, 150577, 166012, 172088, 212476, 236621, 270424, 301154, 332024, 344176, 371833, 424952, 473242, 540848, 602308, 664048, 743666, 849904, 946484, 1204616, 1487332, 1656347, 1892968, 2409232, 2602831, 2974664, 3312694, 3785936, 5205662, 5949328, 6625388, 10411324, 13250776, 18219817, 20822648, 26501552, 36439634, 41645296, 72879268, 145758536, 291517072]

約数ペア:

[(1, 291517072), (2, 145758536), (4, 72879268), (7, 41645296), (8, 36439634), (11, 26501552), (14, 20822648), (16, 18219817), (22, 13250776), (28, 10411324), (44, 6625388), (49, 5949328), (56, 5205662), (77, 3785936), (88, 3312694), (98, 2974664), (112, 2602831), (121, 2409232), (154, 1892968), (176, 1656347), (196, 1487332), (242, 1204616), (308, 946484), (343, 849904), (392, 743666), (439, 664048), (484, 602308), (539, 540848), (616, 473242), (686, 424952), (784, 371833), (847, 344176), (878, 332024), (968, 301154), (1078, 270424), (1232, 236621), (1372, 212476), (1694, 172088), (1756, 166012), (1936, 150577), (2156, 135212), (2744, 106238), (3073, 94864), (3388, 86044), (3512, 83006), (3773, 77264), (4312, 67606), (4829, 60368), (5488, 53119), (5929, 49168), (6146, 47432), (6776, 43022), (7024, 41503), (7546, 38632), (8624, 33803), (9658, 30184), (11858, 24584), (12292, 23716), (13552, 21511), (15092, 19316)]