138584260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2089}}^1$

素因数の和:2236

約数の個数: 48

約数和(自身を含む): 303367680

約数和(自身を除く): 164783420

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 107, 124, 155, 214, 310, 428, 535, 620, 1070, 2089, 2140, 3317, 4178, 6634, 8356, 10445, 13268, 16585, 20890, 33170, 41780, 64759, 66340, 129518, 223523, 259036, 323795, 447046, 647590, 894092, 1117615, 1295180, 2235230, 4470460, 6929213, 13858426, 27716852, 34646065, 69292130, 138584260]

約数ペア:

[(1, 138584260), (2, 69292130), (4, 34646065), (5, 27716852), (10, 13858426), (20, 6929213), (31, 4470460), (62, 2235230), (107, 1295180), (124, 1117615), (155, 894092), (214, 647590), (310, 447046), (428, 323795), (535, 259036), (620, 223523), (1070, 129518), (2089, 66340), (2140, 64759), (3317, 41780), (4178, 33170), (6634, 20890), (8356, 16585), (10445, 13268)]