85943480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{306941}}^1$

素因数の和:306959

約数の個数: 32

約数和(自身を含む): 220998240

約数和(自身を除く): 135054760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 306941, 613882, 1227764, 1534705, 2148587, 2455528, 3069410, 4297174, 6138820, 8594348, 10742935, 12277640, 17188696, 21485870, 42971740, 85943480]

約数ペア:

[(1, 85943480), (2, 42971740), (4, 21485870), (5, 17188696), (7, 12277640), (8, 10742935), (10, 8594348), (14, 6138820), (20, 4297174), (28, 3069410), (35, 2455528), (40, 2148587), (56, 1534705), (70, 1227764), (140, 613882), (280, 306941)]