290480848

素因数分解:

$2^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{25679}}^1$

素因数の和:25795

約数の個数: 40

約数和(自身を含む): 649601280

約数和(自身を除く): 359120432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 101, 112, 202, 404, 707, 808, 1414, 1616, 2828, 5656, 11312, 25679, 51358, 102716, 179753, 205432, 359506, 410864, 719012, 1438024, 2593579, 2876048, 5187158, 10374316, 18155053, 20748632, 36310106, 41497264, 72620212, 145240424, 290480848]

約数ペア:

[(1, 290480848), (2, 145240424), (4, 72620212), (7, 41497264), (8, 36310106), (14, 20748632), (16, 18155053), (28, 10374316), (56, 5187158), (101, 2876048), (112, 2593579), (202, 1438024), (404, 719012), (707, 410864), (808, 359506), (1414, 205432), (1616, 179753), (2828, 102716), (5656, 51358), (11312, 25679)]