2680190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 5170176

約数和(自身を除く): 2489986

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 271, 430, 542, 989, 1355, 1978, 2710, 4945, 6233, 9890, 11653, 12466, 23306, 31165, 58265, 62330, 116530, 268019, 536038, 1340095, 2680190]

約数ペア:

[(1, 2680190), (2, 1340095), (5, 536038), (10, 268019), (23, 116530), (43, 62330), (46, 58265), (86, 31165), (115, 23306), (215, 12466), (230, 11653), (271, 9890), (430, 6233), (542, 4945), (989, 2710), (1355, 1978)]