898667060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1109}}^1\times {\mathrm{1307}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 1951326720

約数和(自身を除く): 1052659660

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 1109, 1307, 2218, 2614, 4436, 5228, 5545, 6535, 11090, 13070, 22180, 26140, 34379, 40517, 68758, 81034, 137516, 162068, 171895, 202585, 343790, 405170, 687580, 810340, 1449463, 2898926, 5797852, 7247315, 14494630, 28989260, 44933353, 89866706, 179733412, 224666765, 449333530, 898667060]

約数ペア:

[(1, 898667060), (2, 449333530), (4, 224666765), (5, 179733412), (10, 89866706), (20, 44933353), (31, 28989260), (62, 14494630), (124, 7247315), (155, 5797852), (310, 2898926), (620, 1449463), (1109, 810340), (1307, 687580), (2218, 405170), (2614, 343790), (4436, 202585), (5228, 171895), (5545, 162068), (6535, 137516), (11090, 81034), (13070, 68758), (22180, 40517), (26140, 34379)]