680944

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:145

約数の個数: 40

約数和(自身を含む): 1486512

約数和(自身を除く): 805568

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 73, 88, 106, 146, 176, 212, 292, 424, 583, 584, 803, 848, 1166, 1168, 1606, 2332, 3212, 3869, 4664, 6424, 7738, 9328, 12848, 15476, 30952, 42559, 61904, 85118, 170236, 340472, 680944]

約数ペア:

[(1, 680944), (2, 340472), (4, 170236), (8, 85118), (11, 61904), (16, 42559), (22, 30952), (44, 15476), (53, 12848), (73, 9328), (88, 7738), (106, 6424), (146, 4664), (176, 3869), (212, 3212), (292, 2332), (424, 1606), (583, 1168), (584, 1166), (803, 848)]