128547140

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{883}}^1$

素因数の和:1172

約数の個数: 48

約数和(自身を含む): 280687680

約数和(自身を除く): 152140540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 251, 290, 502, 580, 883, 1004, 1255, 1766, 2510, 3532, 4415, 5020, 7279, 8830, 14558, 17660, 25607, 29116, 36395, 51214, 72790, 102428, 128035, 145580, 221633, 256070, 443266, 512140, 886532, 1108165, 2216330, 4432660, 6427357, 12854714, 25709428, 32136785, 64273570, 128547140]

約数ペア:

[(1, 128547140), (2, 64273570), (4, 32136785), (5, 25709428), (10, 12854714), (20, 6427357), (29, 4432660), (58, 2216330), (116, 1108165), (145, 886532), (251, 512140), (290, 443266), (502, 256070), (580, 221633), (883, 145580), (1004, 128035), (1255, 102428), (1766, 72790), (2510, 51214), (3532, 36395), (4415, 29116), (5020, 25607), (7279, 17660), (8830, 14558)]