198957080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{710561}}^1$

素因数の和:710579

約数の個数: 32

約数和(自身を含む): 511604640

約数和(自身を除く): 312647560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 710561, 1421122, 2842244, 3552805, 4973927, 5684488, 7105610, 9947854, 14211220, 19895708, 24869635, 28422440, 39791416, 49739270, 99478540, 198957080]

約数ペア:

[(1, 198957080), (2, 99478540), (4, 49739270), (5, 39791416), (7, 28422440), (8, 24869635), (10, 19895708), (14, 14211220), (20, 9947854), (28, 7105610), (35, 5684488), (40, 4973927), (56, 3552805), (70, 2842244), (140, 1421122), (280, 710561)]