12435220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{12689}}^1$

素因数の和:12712

約数の個数: 36

約数和(自身を含む): 30379860

約数和(自身を除く): 17944640

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 12689, 25378, 50756, 63445, 88823, 126890, 177646, 253780, 355292, 444115, 621761, 888230, 1243522, 1776460, 2487044, 3108805, 6217610, 12435220]

約数ペア:

[(1, 12435220), (2, 6217610), (4, 3108805), (5, 2487044), (7, 1776460), (10, 1243522), (14, 888230), (20, 621761), (28, 444115), (35, 355292), (49, 253780), (70, 177646), (98, 126890), (140, 88823), (196, 63445), (245, 50756), (490, 25378), (980, 12689)]