31572590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:297

約数の個数: 64

約数和(自身を含む): 68290560

約数和(自身を除く): 36717970

約数列:

[1, 2, 5, 7, 10, 14, 29, 35, 58, 70, 103, 145, 151, 203, 206, 290, 302, 406, 515, 721, 755, 1015, 1030, 1057, 1442, 1510, 2030, 2114, 2987, 3605, 4379, 5285, 5974, 7210, 8758, 10570, 14935, 15553, 20909, 21895, 29870, 30653, 31106, 41818, 43790, 61306, 77765, 104545, 108871, 153265, 155530, 209090, 217742, 306530, 451037, 544355, 902074, 1088710, 2255185, 3157259, 4510370, 6314518, 15786295, 31572590]

約数ペア:

[(1, 31572590), (2, 15786295), (5, 6314518), (7, 4510370), (10, 3157259), (14, 2255185), (29, 1088710), (35, 902074), (58, 544355), (70, 451037), (103, 306530), (145, 217742), (151, 209090), (203, 155530), (206, 153265), (290, 108871), (302, 104545), (406, 77765), (515, 61306), (721, 43790), (755, 41818), (1015, 31106), (1030, 30653), (1057, 29870), (1442, 21895), (1510, 20909), (2030, 15553), (2114, 14935), (2987, 10570), (3605, 8758), (4379, 7210), (5285, 5974)]