30781408

素因数分解:

$2^5\times 7^2\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 71791272

約数和(自身を除く): 41009864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 67, 98, 112, 134, 196, 224, 268, 293, 392, 469, 536, 586, 784, 938, 1072, 1172, 1568, 1876, 2051, 2144, 2344, 3283, 3752, 4102, 4688, 6566, 7504, 8204, 9376, 13132, 14357, 15008, 16408, 19631, 26264, 28714, 32816, 39262, 52528, 57428, 65632, 78524, 105056, 114856, 137417, 157048, 229712, 274834, 314096, 459424, 549668, 628192, 961919, 1099336, 1923838, 2198672, 3847676, 4397344, 7695352, 15390704, 30781408]

約数ペア:

[(1, 30781408), (2, 15390704), (4, 7695352), (7, 4397344), (8, 3847676), (14, 2198672), (16, 1923838), (28, 1099336), (32, 961919), (49, 628192), (56, 549668), (67, 459424), (98, 314096), (112, 274834), (134, 229712), (196, 157048), (224, 137417), (268, 114856), (293, 105056), (392, 78524), (469, 65632), (536, 57428), (586, 52528), (784, 39262), (938, 32816), (1072, 28714), (1172, 26264), (1568, 19631), (1876, 16408), (2051, 15008), (2144, 14357), (2344, 13132), (3283, 9376), (3752, 8204), (4102, 7504), (4688, 6566)]