240661655

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 320397504

約数和(自身を除く): 79735849

約数列:

[1, 5, 13, 65, 67, 73, 335, 365, 757, 871, 949, 3785, 4355, 4745, 4891, 9841, 24455, 49205, 50719, 55261, 63583, 253595, 276305, 317915, 659347, 718393, 3296735, 3591965, 3702487, 18512435, 48132331, 240661655]

約数ペア:

[(1, 240661655), (5, 48132331), (13, 18512435), (65, 3702487), (67, 3591965), (73, 3296735), (335, 718393), (365, 659347), (757, 317915), (871, 276305), (949, 253595), (3785, 63583), (4355, 55261), (4745, 50719), (4891, 49205), (9841, 24455)]