2640049390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{269}}^1\times {\mathrm{8111}}^1$

素因数の和:8409

約数の個数: 48

約数和(自身を含む): 5243434560

約数和(自身を除く): 2603385170

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 269, 538, 605, 1210, 1345, 2690, 2959, 5918, 8111, 14795, 16222, 29590, 32549, 40555, 65098, 81110, 89221, 162745, 178442, 325490, 446105, 892210, 981431, 1962862, 2181859, 4363718, 4907155, 9814310, 10909295, 21818590, 24000449, 48000898, 120002245, 240004490, 264004939, 528009878, 1320024695, 2640049390]

約数ペア:

[(1, 2640049390), (2, 1320024695), (5, 528009878), (10, 264004939), (11, 240004490), (22, 120002245), (55, 48000898), (110, 24000449), (121, 21818590), (242, 10909295), (269, 9814310), (538, 4907155), (605, 4363718), (1210, 2181859), (1345, 1962862), (2690, 981431), (2959, 892210), (5918, 446105), (8111, 325490), (14795, 178442), (16222, 162745), (29590, 89221), (32549, 81110), (40555, 65098)]