84127820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31627}}^1$

素因数の和:31662

約数の個数: 48

約数和(自身を含む): 212540160

約数和(自身を除く): 128412340

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 31627, 63254, 126508, 158135, 221389, 316270, 442778, 600913, 632540, 885556, 1106945, 1201826, 2213890, 2403652, 3004565, 4206391, 4427780, 6009130, 8412782, 12018260, 16825564, 21031955, 42063910, 84127820]

約数ペア:

[(1, 84127820), (2, 42063910), (4, 21031955), (5, 16825564), (7, 12018260), (10, 8412782), (14, 6009130), (19, 4427780), (20, 4206391), (28, 3004565), (35, 2403652), (38, 2213890), (70, 1201826), (76, 1106945), (95, 885556), (133, 632540), (140, 600913), (190, 442778), (266, 316270), (380, 221389), (532, 158135), (665, 126508), (1330, 63254), (2660, 31627)]