28798140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{68567}}^1$

素因数の和:68586

約数の個数: 48

約数和(自身を含む): 92155392

約数和(自身を除く): 63357252

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 68567, 137134, 205701, 274268, 342835, 411402, 479969, 685670, 822804, 959938, 1028505, 1371340, 1439907, 1919876, 2057010, 2399845, 2879814, 4114020, 4799690, 5759628, 7199535, 9599380, 14399070, 28798140]

約数ペア:

[(1, 28798140), (2, 14399070), (3, 9599380), (4, 7199535), (5, 5759628), (6, 4799690), (7, 4114020), (10, 2879814), (12, 2399845), (14, 2057010), (15, 1919876), (20, 1439907), (21, 1371340), (28, 1028505), (30, 959938), (35, 822804), (42, 685670), (60, 479969), (70, 411402), (84, 342835), (105, 274268), (140, 205701), (210, 137134), (420, 68567)]