69449180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{9619}}^1$

素因数の和:9666

約数の個数: 36

約数和(自身を含む): 153939240

約数和(自身を除く): 84490060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 9619, 19238, 38476, 48095, 96190, 182761, 192380, 365522, 731044, 913805, 1827610, 3472459, 3655220, 6944918, 13889836, 17362295, 34724590, 69449180]

約数ペア:

[(1, 69449180), (2, 34724590), (4, 17362295), (5, 13889836), (10, 6944918), (19, 3655220), (20, 3472459), (38, 1827610), (76, 913805), (95, 731044), (190, 365522), (361, 192380), (380, 182761), (722, 96190), (1444, 48095), (1805, 38476), (3610, 19238), (7220, 9619)]