400821568

素因数分解:

$2^6\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:114

約数の個数: 168

約数和(自身を含む): 1008888000

約数和(自身を除く): 608066432

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 64, 76, 98, 112, 124, 133, 152, 196, 217, 224, 248, 266, 304, 343, 392, 434, 448, 496, 532, 589, 608, 686, 784, 868, 931, 961, 992, 1064, 1178, 1216, 1372, 1519, 1568, 1736, 1862, 1922, 1984, 2128, 2356, 2744, 3038, 3136, 3472, 3724, 3844, 4123, 4256, 4712, 5488, 6076, 6517, 6727, 6944, 7448, 7688, 8246, 8512, 9424, 10633, 10976, 12152, 13034, 13454, 13888, 14896, 15376, 16492, 18259, 18848, 21266, 21952, 24304, 26068, 26908, 28861, 29792, 30752, 32984, 36518, 37696, 42532, 47089, 48608, 52136, 53816, 57722, 59584, 61504, 65968, 73036, 85064, 94178, 97216, 104272, 107632, 115444, 127813, 131936, 146072, 170128, 188356, 202027, 208544, 215264, 230888, 255626, 263872, 292144, 329623, 340256, 376712, 404054, 417088, 430528, 461776, 511252, 584288, 659246, 680512, 753424, 808108, 894691, 923552, 1022504, 1168576, 1318492, 1506848, 1616216, 1789382, 1847104, 2045008, 2636984, 3013696, 3232432, 3578764, 4090016, 5273968, 6262837, 6464864, 7157528, 8180032, 10547936, 12525674, 12929728, 14315056, 21095872, 25051348, 28630112, 50102696, 57260224, 100205392, 200410784, 400821568]

約数ペア:

[(1, 400821568), (2, 200410784), (4, 100205392), (7, 57260224), (8, 50102696), (14, 28630112), (16, 25051348), (19, 21095872), (28, 14315056), (31, 12929728), (32, 12525674), (38, 10547936), (49, 8180032), (56, 7157528), (62, 6464864), (64, 6262837), (76, 5273968), (98, 4090016), (112, 3578764), (124, 3232432), (133, 3013696), (152, 2636984), (196, 2045008), (217, 1847104), (224, 1789382), (248, 1616216), (266, 1506848), (304, 1318492), (343, 1168576), (392, 1022504), (434, 923552), (448, 894691), (496, 808108), (532, 753424), (589, 680512), (608, 659246), (686, 584288), (784, 511252), (868, 461776), (931, 430528), (961, 417088), (992, 404054), (1064, 376712), (1178, 340256), (1216, 329623), (1372, 292144), (1519, 263872), (1568, 255626), (1736, 230888), (1862, 215264), (1922, 208544), (1984, 202027), (2128, 188356), (2356, 170128), (2744, 146072), (3038, 131936), (3136, 127813), (3472, 115444), (3724, 107632), (3844, 104272), (4123, 97216), (4256, 94178), (4712, 85064), (5488, 73036), (6076, 65968), (6517, 61504), (6727, 59584), (6944, 57722), (7448, 53816), (7688, 52136), (8246, 48608), (8512, 47089), (9424, 42532), (10633, 37696), (10976, 36518), (12152, 32984), (13034, 30752), (13454, 29792), (13888, 28861), (14896, 26908), (15376, 26068), (16492, 24304), (18259, 21952), (18848, 21266)]