1999656984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:266

約数の個数: 256

約数和(自身を含む): 5922201600

約数和(自身を除く): 3922544616

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 31, 39, 46, 52, 62, 69, 78, 89, 92, 93, 101, 104, 124, 138, 156, 178, 184, 186, 202, 248, 267, 276, 299, 303, 312, 356, 372, 403, 404, 534, 552, 598, 606, 712, 713, 744, 806, 808, 897, 1068, 1157, 1196, 1209, 1212, 1313, 1426, 1612, 1794, 2047, 2136, 2139, 2314, 2323, 2392, 2418, 2424, 2626, 2759, 2852, 3131, 3224, 3471, 3588, 3939, 4094, 4278, 4628, 4646, 4836, 5252, 5518, 5704, 6141, 6262, 6942, 6969, 7176, 7878, 8188, 8277, 8556, 8989, 9256, 9269, 9292, 9393, 9672, 10504, 11036, 12282, 12524, 13884, 13938, 15756, 16376, 16554, 17112, 17978, 18538, 18584, 18786, 22072, 24564, 25048, 26611, 26967, 27768, 27807, 27876, 30199, 31512, 33108, 35867, 35956, 37076, 37572, 40703, 49128, 53222, 53934, 55614, 55752, 60398, 63457, 66216, 71734, 71912, 72013, 74152, 75144, 79833, 81406, 90597, 106444, 107601, 107868, 111228, 116857, 120796, 122109, 126914, 143468, 144026, 159666, 162812, 181194, 190371, 206747, 212888, 215202, 215736, 216039, 222456, 233714, 241592, 244218, 253828, 278659, 286936, 288052, 319332, 325624, 350571, 362388, 380742, 413494, 430404, 432078, 467428, 488436, 507656, 557318, 576104, 620241, 638664, 701142, 724776, 761484, 824941, 826988, 835977, 860808, 864156, 934856, 936169, 976872, 1114636, 1240482, 1402284, 1522968, 1649882, 1653976, 1671954, 1728312, 1872338, 2229272, 2474823, 2480964, 2687711, 2804568, 2808507, 3299764, 3343908, 3622567, 3744676, 4949646, 4961928, 5375422, 5617014, 6409157, 6599528, 6687816, 7245134, 7489352, 8063133, 9899292, 10750844, 10867701, 11234028, 12818314, 14490268, 16126266, 19227471, 19798584, 21501688, 21735402, 22468056, 25636628, 28980536, 32252532, 38454942, 43470804, 51273256, 64505064, 76909884, 83319041, 86941608, 153819768, 166638082, 249957123, 333276164, 499914246, 666552328, 999828492, 1999656984]

約数ペア:

[(1, 1999656984), (2, 999828492), (3, 666552328), (4, 499914246), (6, 333276164), (8, 249957123), (12, 166638082), (13, 153819768), (23, 86941608), (24, 83319041), (26, 76909884), (31, 64505064), (39, 51273256), (46, 43470804), (52, 38454942), (62, 32252532), (69, 28980536), (78, 25636628), (89, 22468056), (92, 21735402), (93, 21501688), (101, 19798584), (104, 19227471), (124, 16126266), (138, 14490268), (156, 12818314), (178, 11234028), (184, 10867701), (186, 10750844), (202, 9899292), (248, 8063133), (267, 7489352), (276, 7245134), (299, 6687816), (303, 6599528), (312, 6409157), (356, 5617014), (372, 5375422), (403, 4961928), (404, 4949646), (534, 3744676), (552, 3622567), (598, 3343908), (606, 3299764), (712, 2808507), (713, 2804568), (744, 2687711), (806, 2480964), (808, 2474823), (897, 2229272), (1068, 1872338), (1157, 1728312), (1196, 1671954), (1209, 1653976), (1212, 1649882), (1313, 1522968), (1426, 1402284), (1612, 1240482), (1794, 1114636), (2047, 976872), (2136, 936169), (2139, 934856), (2314, 864156), (2323, 860808), (2392, 835977), (2418, 826988), (2424, 824941), (2626, 761484), (2759, 724776), (2852, 701142), (3131, 638664), (3224, 620241), (3471, 576104), (3588, 557318), (3939, 507656), (4094, 488436), (4278, 467428), (4628, 432078), (4646, 430404), (4836, 413494), (5252, 380742), (5518, 362388), (5704, 350571), (6141, 325624), (6262, 319332), (6942, 288052), (6969, 286936), (7176, 278659), (7878, 253828), (8188, 244218), (8277, 241592), (8556, 233714), (8989, 222456), (9256, 216039), (9269, 215736), (9292, 215202), (9393, 212888), (9672, 206747), (10504, 190371), (11036, 181194), (12282, 162812), (12524, 159666), (13884, 144026), (13938, 143468), (15756, 126914), (16376, 122109), (16554, 120796), (17112, 116857), (17978, 111228), (18538, 107868), (18584, 107601), (18786, 106444), (22072, 90597), (24564, 81406), (25048, 79833), (26611, 75144), (26967, 74152), (27768, 72013), (27807, 71912), (27876, 71734), (30199, 66216), (31512, 63457), (33108, 60398), (35867, 55752), (35956, 55614), (37076, 53934), (37572, 53222), (40703, 49128)]