445525220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67709}}^1$

素因数の和:67772

約数の個数: 48

約数和(自身を含む): 1092026880

約数和(自身を除く): 646501660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 67709, 135418, 270836, 338545, 473963, 677090, 947926, 1354180, 1895852, 2369815, 3182323, 4739630, 6364646, 9479260, 12729292, 15911615, 22276261, 31823230, 44552522, 63646460, 89105044, 111381305, 222762610, 445525220]

約数ペア:

[(1, 445525220), (2, 222762610), (4, 111381305), (5, 89105044), (7, 63646460), (10, 44552522), (14, 31823230), (20, 22276261), (28, 15911615), (35, 12729292), (47, 9479260), (70, 6364646), (94, 4739630), (140, 3182323), (188, 2369815), (235, 1895852), (329, 1354180), (470, 947926), (658, 677090), (940, 473963), (1316, 338545), (1645, 270836), (3290, 135418), (6580, 67709)]