2087890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{4261}}^1$

素因数の和:4282

約数の個数: 24

約数和(自身を含む): 4372812

約数和(自身を除く): 2284922

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 4261, 8522, 21305, 29827, 42610, 59654, 149135, 208789, 298270, 417578, 1043945, 2087890]

約数ペア:

[(1, 2087890), (2, 1043945), (5, 417578), (7, 298270), (10, 208789), (14, 149135), (35, 59654), (49, 42610), (70, 29827), (98, 21305), (245, 8522), (490, 4261)]