31397450

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{823}}^1$

素因数の和:951

約数の個数: 48

約数和(自身を含む): 67436160

約数和(自身を除く): 36038710

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 109, 175, 218, 350, 545, 763, 823, 1090, 1526, 1646, 2725, 3815, 4115, 5450, 5761, 7630, 8230, 11522, 19075, 20575, 28805, 38150, 41150, 57610, 89707, 144025, 179414, 288050, 448535, 627949, 897070, 1255898, 2242675, 3139745, 4485350, 6279490, 15698725, 31397450]

約数ペア:

[(1, 31397450), (2, 15698725), (5, 6279490), (7, 4485350), (10, 3139745), (14, 2242675), (25, 1255898), (35, 897070), (50, 627949), (70, 448535), (109, 288050), (175, 179414), (218, 144025), (350, 89707), (545, 57610), (763, 41150), (823, 38150), (1090, 28805), (1526, 20575), (1646, 19075), (2725, 11522), (3815, 8230), (4115, 7630), (5450, 5761)]