400808064

素因数分解:

$2^7\times 3^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:390

約数の個数: 128

約数和(自身を含む): 1101893760

約数和(自身を除く): 701085696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 71, 96, 122, 128, 142, 183, 192, 213, 241, 244, 284, 366, 384, 426, 482, 488, 568, 723, 732, 852, 964, 976, 1136, 1446, 1464, 1704, 1928, 1952, 2272, 2892, 2928, 3408, 3856, 3904, 4331, 4544, 5784, 5856, 6816, 7712, 7808, 8662, 9088, 11568, 11712, 12993, 13632, 14701, 15424, 17111, 17324, 23136, 23424, 25986, 27264, 29402, 30848, 34222, 34648, 44103, 46272, 51333, 51972, 58804, 68444, 69296, 88206, 92544, 102666, 103944, 117608, 136888, 138592, 176412, 205332, 207888, 235216, 273776, 277184, 352824, 410664, 415776, 470432, 547552, 554368, 705648, 821328, 831552, 940864, 1043771, 1095104, 1411296, 1642656, 1663104, 1881728, 2087542, 2190208, 2822592, 3131313, 3285312, 4175084, 5645184, 6262626, 6570624, 8350168, 12525252, 16700336, 25050504, 33400672, 50101008, 66801344, 100202016, 133602688, 200404032, 400808064]

約数ペア:

[(1, 400808064), (2, 200404032), (3, 133602688), (4, 100202016), (6, 66801344), (8, 50101008), (12, 33400672), (16, 25050504), (24, 16700336), (32, 12525252), (48, 8350168), (61, 6570624), (64, 6262626), (71, 5645184), (96, 4175084), (122, 3285312), (128, 3131313), (142, 2822592), (183, 2190208), (192, 2087542), (213, 1881728), (241, 1663104), (244, 1642656), (284, 1411296), (366, 1095104), (384, 1043771), (426, 940864), (482, 831552), (488, 821328), (568, 705648), (723, 554368), (732, 547552), (852, 470432), (964, 415776), (976, 410664), (1136, 352824), (1446, 277184), (1464, 273776), (1704, 235216), (1928, 207888), (1952, 205332), (2272, 176412), (2892, 138592), (2928, 136888), (3408, 117608), (3856, 103944), (3904, 102666), (4331, 92544), (4544, 88206), (5784, 69296), (5856, 68444), (6816, 58804), (7712, 51972), (7808, 51333), (8662, 46272), (9088, 44103), (11568, 34648), (11712, 34222), (12993, 30848), (13632, 29402), (14701, 27264), (15424, 25986), (17111, 23424), (17324, 23136)]