277994290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{136943}}^1$

素因数の和:136986

約数の個数: 32

約数和(自身を含む): 591598080

約数和(自身を除く): 313603790

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 145, 203, 290, 406, 1015, 2030, 136943, 273886, 684715, 958601, 1369430, 1917202, 3971347, 4793005, 7942694, 9586010, 19856735, 27799429, 39713470, 55598858, 138997145, 277994290]

約数ペア:

[(1, 277994290), (2, 138997145), (5, 55598858), (7, 39713470), (10, 27799429), (14, 19856735), (29, 9586010), (35, 7942694), (58, 4793005), (70, 3971347), (145, 1917202), (203, 1369430), (290, 958601), (406, 684715), (1015, 273886), (2030, 136943)]