16688420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{17029}}^1$

素因数の和:17052

約数の個数: 36

約数和(自身を含む): 40769820

約数和(自身を除く): 24081400

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 17029, 34058, 68116, 85145, 119203, 170290, 238406, 340580, 476812, 596015, 834421, 1192030, 1668842, 2384060, 3337684, 4172105, 8344210, 16688420]

約数ペア:

[(1, 16688420), (2, 8344210), (4, 4172105), (5, 3337684), (7, 2384060), (10, 1668842), (14, 1192030), (20, 834421), (28, 596015), (35, 476812), (49, 340580), (70, 238406), (98, 170290), (140, 119203), (196, 85145), (245, 68116), (490, 34058), (980, 17029)]