220941056

素因数分解:

$2^8\times 7^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1049

約数の個数: 72

約数和(自身を含む): 508220160

約数和(自身を除く): 287279104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 256, 278, 448, 556, 887, 896, 973, 1112, 1774, 1792, 1946, 2224, 3548, 3892, 4448, 6209, 7096, 7784, 8896, 12418, 14192, 15568, 17792, 24836, 28384, 31136, 35584, 49672, 56768, 62272, 99344, 113536, 123293, 124544, 198688, 227072, 246586, 249088, 397376, 493172, 794752, 863051, 986344, 1589504, 1726102, 1972688, 3452204, 3945376, 6904408, 7890752, 13808816, 15781504, 27617632, 31563008, 55235264, 110470528, 220941056]

約数ペア:

[(1, 220941056), (2, 110470528), (4, 55235264), (7, 31563008), (8, 27617632), (14, 15781504), (16, 13808816), (28, 7890752), (32, 6904408), (56, 3945376), (64, 3452204), (112, 1972688), (128, 1726102), (139, 1589504), (224, 986344), (256, 863051), (278, 794752), (448, 493172), (556, 397376), (887, 249088), (896, 246586), (973, 227072), (1112, 198688), (1774, 124544), (1792, 123293), (1946, 113536), (2224, 99344), (3548, 62272), (3892, 56768), (4448, 49672), (6209, 35584), (7096, 31136), (7784, 28384), (8896, 24836), (12418, 17792), (14192, 15568)]