199778810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{259453}}^1$

素因数の和:259478

約数の個数: 32

約数和(自身を含む): 448336512

約数和(自身を除く): 248557702

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 259453, 518906, 1297265, 1816171, 2594530, 2853983, 3632342, 5707966, 9080855, 14269915, 18161710, 19977881, 28539830, 39955762, 99889405, 199778810]

約数ペア:

[(1, 199778810), (2, 99889405), (5, 39955762), (7, 28539830), (10, 19977881), (11, 18161710), (14, 14269915), (22, 9080855), (35, 5707966), (55, 3632342), (70, 2853983), (77, 2594530), (110, 1816171), (154, 1297265), (385, 518906), (770, 259453)]