248842940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{17851}}^1$

素因数の和:17918

約数の個数: 48

約数和(自身を含む): 566836704

約数和(自身を除く): 317993764

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 6970, 13940, 17851, 35702, 71404, 89255, 178510, 303467, 357020, 606934, 731891, 1213868, 1463782, 1517335, 2927564, 3034670, 3659455, 6069340, 7318910, 12442147, 14637820, 24884294, 49768588, 62210735, 124421470, 248842940]

約数ペア:

[(1, 248842940), (2, 124421470), (4, 62210735), (5, 49768588), (10, 24884294), (17, 14637820), (20, 12442147), (34, 7318910), (41, 6069340), (68, 3659455), (82, 3034670), (85, 2927564), (164, 1517335), (170, 1463782), (205, 1213868), (340, 731891), (410, 606934), (697, 357020), (820, 303467), (1394, 178510), (2788, 89255), (3485, 71404), (6970, 35702), (13940, 17851)]