2038851490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{701}}^1\times {\mathrm{1721}}^1$

素因数の和:2455

約数の個数: 48

約数和(自身を含む): 3981932136

約数和(自身を除く): 1943080646

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 701, 845, 1402, 1690, 1721, 3442, 3505, 7010, 8605, 9113, 17210, 18226, 22373, 44746, 45565, 91130, 111865, 118469, 223730, 236938, 290849, 581698, 592345, 1184690, 1206421, 1454245, 2412842, 2908490, 6032105, 12064210, 15683473, 31366946, 78417365, 156834730, 203885149, 407770298, 1019425745, 2038851490]

約数ペア:

[(1, 2038851490), (2, 1019425745), (5, 407770298), (10, 203885149), (13, 156834730), (26, 78417365), (65, 31366946), (130, 15683473), (169, 12064210), (338, 6032105), (701, 2908490), (845, 2412842), (1402, 1454245), (1690, 1206421), (1721, 1184690), (3442, 592345), (3505, 581698), (7010, 290849), (8605, 236938), (9113, 223730), (17210, 118469), (18226, 111865), (22373, 91130), (44746, 45565)]