84493780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12841}}^1$

素因数の和:12904

約数の個数: 48

約数和(自身を含む): 207115776

約数和(自身を除く): 122621996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12841, 25682, 51364, 64205, 89887, 128410, 179774, 256820, 359548, 449435, 603527, 898870, 1207054, 1797740, 2414108, 3017635, 4224689, 6035270, 8449378, 12070540, 16898756, 21123445, 42246890, 84493780]

約数ペア:

[(1, 84493780), (2, 42246890), (4, 21123445), (5, 16898756), (7, 12070540), (10, 8449378), (14, 6035270), (20, 4224689), (28, 3017635), (35, 2414108), (47, 1797740), (70, 1207054), (94, 898870), (140, 603527), (188, 449435), (235, 359548), (329, 256820), (470, 179774), (658, 128410), (940, 89887), (1316, 64205), (1645, 51364), (3290, 25682), (6580, 12841)]