205440270

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{978287}}^1$

素因数の和:978304

約数の個数: 32

約数和(自身を含む): 563493888

約数和(自身を除く): 358053618

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 978287, 1956574, 2934861, 4891435, 5869722, 6848009, 9782870, 13696018, 14674305, 20544027, 29348610, 34240045, 41088054, 68480090, 102720135, 205440270]

約数ペア:

[(1, 205440270), (2, 102720135), (3, 68480090), (5, 41088054), (6, 34240045), (7, 29348610), (10, 20544027), (14, 14674305), (15, 13696018), (21, 9782870), (30, 6848009), (35, 5869722), (42, 4891435), (70, 2934861), (105, 1956574), (210, 978287)]