28871080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1063}}^1$

素因数の和:1178

約数の個数: 64

約数和(自身を含む): 75075840

約数和(自身を除く): 46204760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1063, 1358, 1940, 2126, 2716, 3395, 3880, 4252, 5315, 5432, 6790, 7441, 8504, 10630, 13580, 14882, 21260, 27160, 29764, 37205, 42520, 59528, 74410, 103111, 148820, 206222, 297640, 412444, 515555, 721777, 824888, 1031110, 1443554, 2062220, 2887108, 3608885, 4124440, 5774216, 7217770, 14435540, 28871080]

約数ペア:

[(1, 28871080), (2, 14435540), (4, 7217770), (5, 5774216), (7, 4124440), (8, 3608885), (10, 2887108), (14, 2062220), (20, 1443554), (28, 1031110), (35, 824888), (40, 721777), (56, 515555), (70, 412444), (97, 297640), (140, 206222), (194, 148820), (280, 103111), (388, 74410), (485, 59528), (679, 42520), (776, 37205), (970, 29764), (1063, 27160), (1358, 21260), (1940, 14882), (2126, 13580), (2716, 10630), (3395, 8504), (3880, 7441), (4252, 6790), (5315, 5432)]