400380864

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{160409}}^1$

素因数の和:160437

約数の個数: 56

約数和(自身を含む): 1140835920

約数和(自身を除く): 740455056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 156, 192, 208, 312, 416, 624, 832, 1248, 2496, 160409, 320818, 481227, 641636, 962454, 1283272, 1924908, 2085317, 2566544, 3849816, 4170634, 5133088, 6255951, 7699632, 8341268, 10266176, 12511902, 15399264, 16682536, 25023804, 30798528, 33365072, 50047608, 66730144, 100095216, 133460288, 200190432, 400380864]

約数ペア:

[(1, 400380864), (2, 200190432), (3, 133460288), (4, 100095216), (6, 66730144), (8, 50047608), (12, 33365072), (13, 30798528), (16, 25023804), (24, 16682536), (26, 15399264), (32, 12511902), (39, 10266176), (48, 8341268), (52, 7699632), (64, 6255951), (78, 5133088), (96, 4170634), (104, 3849816), (156, 2566544), (192, 2085317), (208, 1924908), (312, 1283272), (416, 962454), (624, 641636), (832, 481227), (1248, 320818), (2496, 160409)]