219213230

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{10709}}^1$

素因数の和:10828

約数の個数: 32

約数和(自身を含む): 416404800

約数和(自身を除く): 197191570

約数列:

[1, 2, 5, 10, 23, 46, 89, 115, 178, 230, 445, 890, 2047, 4094, 10235, 10709, 20470, 21418, 53545, 107090, 246307, 492614, 953101, 1231535, 1906202, 2463070, 4765505, 9531010, 21921323, 43842646, 109606615, 219213230]

約数ペア:

[(1, 219213230), (2, 109606615), (5, 43842646), (10, 21921323), (23, 9531010), (46, 4765505), (89, 2463070), (115, 1906202), (178, 1231535), (230, 953101), (445, 492614), (890, 246307), (2047, 107090), (4094, 53545), (10235, 21418), (10709, 20470)]