2176580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{2221}}^1$

素因数の和:2244

約数の個数: 36

約数和(自身を含む): 5319468

約数和(自身を除く): 3142888

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 2221, 4442, 8884, 11105, 15547, 22210, 31094, 44420, 62188, 77735, 108829, 155470, 217658, 310940, 435316, 544145, 1088290, 2176580]

約数ペア:

[(1, 2176580), (2, 1088290), (4, 544145), (5, 435316), (7, 310940), (10, 217658), (14, 155470), (20, 108829), (28, 77735), (35, 62188), (49, 44420), (70, 31094), (98, 22210), (140, 15547), (196, 11105), (245, 8884), (490, 4442), (980, 2221)]