1640590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1019}}^1$

素因数の和:1056

約数の個数: 32

約数和(自身を含む): 3525120

約数和(自身を除く): 1884530

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1019, 1610, 2038, 5095, 7133, 10190, 14266, 23437, 35665, 46874, 71330, 117185, 164059, 234370, 328118, 820295, 1640590]

約数ペア:

[(1, 1640590), (2, 820295), (5, 328118), (7, 234370), (10, 164059), (14, 117185), (23, 71330), (35, 46874), (46, 35665), (70, 23437), (115, 14266), (161, 10190), (230, 7133), (322, 5095), (805, 2038), (1019, 1610)]