156940581020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1029929}}^1$

素因数の和:1030358

約数の個数: 48

約数和(自身を含む): 347786762400

約数和(自身を除く): 190846181380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 401, 802, 1604, 2005, 4010, 7619, 8020, 15238, 30476, 38095, 76190, 152380, 1029929, 2059858, 4119716, 5149645, 10299290, 19568651, 20598580, 39137302, 78274604, 97843255, 195686510, 391373020, 413001529, 826003058, 1652006116, 2065007645, 4130015290, 7847029051, 8260030580, 15694058102, 31388116204, 39235145255, 78470290510, 156940581020]

約数ペア:

[(1, 156940581020), (2, 78470290510), (4, 39235145255), (5, 31388116204), (10, 15694058102), (19, 8260030580), (20, 7847029051), (38, 4130015290), (76, 2065007645), (95, 1652006116), (190, 826003058), (380, 413001529), (401, 391373020), (802, 195686510), (1604, 97843255), (2005, 78274604), (4010, 39137302), (7619, 20598580), (8020, 19568651), (15238, 10299290), (30476, 5149645), (38095, 4119716), (76190, 2059858), (152380, 1029929)]