323890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{661}}^1$

素因数の和:682

約数の個数: 24

約数和(自身を含む): 679212

約数和(自身を除く): 355322

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 661, 1322, 3305, 4627, 6610, 9254, 23135, 32389, 46270, 64778, 161945, 323890]

約数ペア:

[(1, 323890), (2, 161945), (5, 64778), (7, 46270), (10, 32389), (14, 23135), (35, 9254), (49, 6610), (70, 4627), (98, 3305), (245, 1322), (490, 661)]