27978580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8689}}^1$

素因数の和:8728

約数の個数: 48

約数和(自身を含む): 70076160

約数和(自身を除く): 42097580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 8689, 17378, 34756, 43445, 60823, 86890, 121646, 173780, 199847, 243292, 304115, 399694, 608230, 799388, 999235, 1216460, 1398929, 1998470, 2797858, 3996940, 5595716, 6994645, 13989290, 27978580]

約数ペア:

[(1, 27978580), (2, 13989290), (4, 6994645), (5, 5595716), (7, 3996940), (10, 2797858), (14, 1998470), (20, 1398929), (23, 1216460), (28, 999235), (35, 799388), (46, 608230), (70, 399694), (92, 304115), (115, 243292), (140, 199847), (161, 173780), (230, 121646), (322, 86890), (460, 60823), (644, 43445), (805, 34756), (1610, 17378), (3220, 8689)]