238973590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{20981}}^1$

素因数の和:21072

約数の個数: 32

約数和(自身を含む): 462275424

約数和(自身を除く): 223301834

約数列:

[1, 2, 5, 10, 17, 34, 67, 85, 134, 170, 335, 670, 1139, 2278, 5695, 11390, 20981, 41962, 104905, 209810, 356677, 713354, 1405727, 1783385, 2811454, 3566770, 7028635, 14057270, 23897359, 47794718, 119486795, 238973590]

約数ペア:

[(1, 238973590), (2, 119486795), (5, 47794718), (10, 23897359), (17, 14057270), (34, 7028635), (67, 3566770), (85, 2811454), (134, 1783385), (170, 1405727), (335, 713354), (670, 356677), (1139, 209810), (2278, 104905), (5695, 41962), (11390, 20981)]