1999788140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{14284201}}^1$

素因数の和:14284217

約数の個数: 24

約数和(自身を含む): 4799491872

約数和(自身を除く): 2799703732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 14284201, 28568402, 57136804, 71421005, 99989407, 142842010, 199978814, 285684020, 399957628, 499947035, 999894070, 1999788140]

約数ペア:

[(1, 1999788140), (2, 999894070), (4, 499947035), (5, 399957628), (7, 285684020), (10, 199978814), (14, 142842010), (20, 99989407), (28, 71421005), (35, 57136804), (70, 28568402), (140, 14284201)]