210819020

素因数分解:

$2^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{17029}}^1$

素因数の和:17657

約数の個数: 24

約数和(自身を含む): 443461200

約数和(自身を除く): 232642180

約数列:

[1, 2, 4, 5, 10, 20, 619, 1238, 2476, 3095, 6190, 12380, 17029, 34058, 68116, 85145, 170290, 340580, 10540951, 21081902, 42163804, 52704755, 105409510, 210819020]

約数ペア:

[(1, 210819020), (2, 105409510), (4, 52704755), (5, 42163804), (10, 21081902), (20, 10540951), (619, 340580), (1238, 170290), (2476, 85145), (3095, 68116), (6190, 34058), (12380, 17029)]