279235712

素因数分解:

$2^7\times 7^2\times {\mathrm{211}}^2$

素因数の和:450

約数の個数: 72

約数和(自身を含む): 650194155

約数和(自身を除く): 370958443

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 211, 224, 392, 422, 448, 784, 844, 896, 1477, 1568, 1688, 2954, 3136, 3376, 5908, 6272, 6752, 10339, 11816, 13504, 20678, 23632, 27008, 41356, 44521, 47264, 82712, 89042, 94528, 165424, 178084, 189056, 311647, 330848, 356168, 623294, 661696, 712336, 1246588, 1323392, 1424672, 2181529, 2493176, 2849344, 4363058, 4986352, 5698688, 8726116, 9972704, 17452232, 19945408, 34904464, 39890816, 69808928, 139617856, 279235712]

約数ペア:

[(1, 279235712), (2, 139617856), (4, 69808928), (7, 39890816), (8, 34904464), (14, 19945408), (16, 17452232), (28, 9972704), (32, 8726116), (49, 5698688), (56, 4986352), (64, 4363058), (98, 2849344), (112, 2493176), (128, 2181529), (196, 1424672), (211, 1323392), (224, 1246588), (392, 712336), (422, 661696), (448, 623294), (784, 356168), (844, 330848), (896, 311647), (1477, 189056), (1568, 178084), (1688, 165424), (2954, 94528), (3136, 89042), (3376, 82712), (5908, 47264), (6272, 44521), (6752, 41356), (10339, 27008), (11816, 23632), (13504, 20678)]