172812820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{508273}}^1$

素因数の和:508299

約数の個数: 24

約数和(自身を含む): 384255144

約数和(自身を除く): 211442324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 508273, 1016546, 2033092, 2541365, 5082730, 8640641, 10165460, 17281282, 34562564, 43203205, 86406410, 172812820]

約数ペア:

[(1, 172812820), (2, 86406410), (4, 43203205), (5, 34562564), (10, 17281282), (17, 10165460), (20, 8640641), (34, 5082730), (68, 2541365), (85, 2033092), (170, 1016546), (340, 508273)]