68740070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{13831}}^1$

素因数の和:13916

約数の個数: 32

約数和(自身を含む): 143410176

約数和(自身を除く): 74670106

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 13831, 27662, 69155, 96817, 138310, 193634, 484085, 968170, 982001, 1964002, 4910005, 6874007, 9820010, 13748014, 34370035, 68740070]

約数ペア:

[(1, 68740070), (2, 34370035), (5, 13748014), (7, 9820010), (10, 6874007), (14, 4910005), (35, 1964002), (70, 982001), (71, 968170), (142, 484085), (355, 193634), (497, 138310), (710, 96817), (994, 69155), (2485, 27662), (4970, 13831)]