148689140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{437321}}^1$

素因数の和:437347

約数の個数: 24

約数和(自身を含む): 330615432

約数和(自身を除く): 181926292

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 437321, 874642, 1749284, 2186605, 4373210, 7434457, 8746420, 14868914, 29737828, 37172285, 74344570, 148689140]

約数ペア:

[(1, 148689140), (2, 74344570), (4, 37172285), (5, 29737828), (10, 14868914), (17, 8746420), (20, 7434457), (34, 4373210), (68, 2186605), (85, 1749284), (170, 874642), (340, 437321)]