30311890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61861}}^1$

素因数の和:61882

約数の個数: 24

約数和(自身を含む): 63470412

約数和(自身を除く): 33158522

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 61861, 123722, 309305, 433027, 618610, 866054, 2165135, 3031189, 4330270, 6062378, 15155945, 30311890]

約数ペア:

[(1, 30311890), (2, 15155945), (5, 6062378), (7, 4330270), (10, 3031189), (14, 2165135), (35, 866054), (49, 618610), (70, 433027), (98, 309305), (245, 123722), (490, 61861)]