129284260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{29789}}^1$

素因数の和:29836

約数の個数: 48

約数和(自身を含む): 320302080

約数和(自身を除く): 191017820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 29789, 59578, 119156, 148945, 208523, 297890, 417046, 595780, 834092, 923459, 1042615, 1846918, 2085230, 3693836, 4170460, 4617295, 6464213, 9234590, 12928426, 18469180, 25856852, 32321065, 64642130, 129284260]

約数ペア:

[(1, 129284260), (2, 64642130), (4, 32321065), (5, 25856852), (7, 18469180), (10, 12928426), (14, 9234590), (20, 6464213), (28, 4617295), (31, 4170460), (35, 3693836), (62, 2085230), (70, 1846918), (124, 1042615), (140, 923459), (155, 834092), (217, 595780), (310, 417046), (434, 297890), (620, 208523), (868, 148945), (1085, 119156), (2170, 59578), (4340, 29789)]