189557620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1353983}}^1$

素因数の和:1353999

約数の個数: 24

約数和(自身を含む): 454938624

約数和(自身を除く): 265381004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1353983, 2707966, 5415932, 6769915, 9477881, 13539830, 18955762, 27079660, 37911524, 47389405, 94778810, 189557620]

約数ペア:

[(1, 189557620), (2, 94778810), (4, 47389405), (5, 37911524), (7, 27079660), (10, 18955762), (14, 13539830), (20, 9477881), (28, 6769915), (35, 5415932), (70, 2707966), (140, 1353983)]