291258790

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{90173}}^1$

素因数の和:90216

約数の個数: 32

約数和(自身を含む): 584327520

約数和(自身を除く): 293068730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 90173, 180346, 450865, 901730, 1532941, 1713287, 3065882, 3426574, 7664705, 8566435, 15329410, 17132870, 29125879, 58251758, 145629395, 291258790]

約数ペア:

[(1, 291258790), (2, 145629395), (5, 58251758), (10, 29125879), (17, 17132870), (19, 15329410), (34, 8566435), (38, 7664705), (85, 3426574), (95, 3065882), (170, 1713287), (190, 1532941), (323, 901730), (646, 450865), (1615, 180346), (3230, 90173)]