400244994

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{3739}}^1$

素因数の和:4079

約数の個数: 48

約数和(自身を含む): 916000800

約数和(自身を除く): 515755806

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 313, 342, 626, 939, 1878, 2817, 3739, 5634, 5947, 7478, 11217, 11894, 17841, 22434, 33651, 35682, 53523, 67302, 71041, 107046, 142082, 213123, 426246, 639369, 1170307, 1278738, 2340614, 3510921, 7021842, 10532763, 21065526, 22235833, 44471666, 66707499, 133414998, 200122497, 400244994]

約数ペア:

[(1, 400244994), (2, 200122497), (3, 133414998), (6, 66707499), (9, 44471666), (18, 22235833), (19, 21065526), (38, 10532763), (57, 7021842), (114, 3510921), (171, 2340614), (313, 1278738), (342, 1170307), (626, 639369), (939, 426246), (1878, 213123), (2817, 142082), (3739, 107046), (5634, 71041), (5947, 67302), (7478, 53523), (11217, 35682), (11894, 33651), (17841, 22434)]