220880128

素因数分解:

$2^8\times 7^1\times {\mathrm{123259}}^1$

素因数の和:123282

約数の個数: 36

約数和(自身を含む): 503886880

約数和(自身を除く): 283006752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 123259, 246518, 493036, 862813, 986072, 1725626, 1972144, 3451252, 3944288, 6902504, 7888576, 13805008, 15777152, 27610016, 31554304, 55220032, 110440064, 220880128]

約数ペア:

[(1, 220880128), (2, 110440064), (4, 55220032), (7, 31554304), (8, 27610016), (14, 15777152), (16, 13805008), (28, 7888576), (32, 6902504), (56, 3944288), (64, 3451252), (112, 1972144), (128, 1725626), (224, 986072), (256, 862813), (448, 493036), (896, 246518), (1792, 123259)]