1947440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1$

素因数の和:2237

約数の個数: 40

約数和(自身を含む): 4941648

約数和(自身を除く): 2994208

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2213, 4426, 8852, 11065, 17704, 22130, 24343, 35408, 44260, 48686, 88520, 97372, 121715, 177040, 194744, 243430, 389488, 486860, 973720, 1947440]

約数ペア:

[(1, 1947440), (2, 973720), (4, 486860), (5, 389488), (8, 243430), (10, 194744), (11, 177040), (16, 121715), (20, 97372), (22, 88520), (40, 48686), (44, 44260), (55, 35408), (80, 24343), (88, 22130), (110, 17704), (176, 11065), (220, 8852), (440, 4426), (880, 2213)]