2055340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 5044032

約数和(自身を除く): 2988692

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 277, 371, 530, 554, 742, 1060, 1108, 1385, 1484, 1855, 1939, 2770, 3710, 3878, 5540, 7420, 7756, 9695, 14681, 19390, 29362, 38780, 58724, 73405, 102767, 146810, 205534, 293620, 411068, 513835, 1027670, 2055340]

約数ペア:

[(1, 2055340), (2, 1027670), (4, 513835), (5, 411068), (7, 293620), (10, 205534), (14, 146810), (20, 102767), (28, 73405), (35, 58724), (53, 38780), (70, 29362), (106, 19390), (140, 14681), (212, 9695), (265, 7756), (277, 7420), (371, 5540), (530, 3878), (554, 3710), (742, 2770), (1060, 1939), (1108, 1855), (1385, 1484)]