9454780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 21168000

約数和(自身を除く): 11713220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 179, 190, 278, 358, 380, 556, 695, 716, 895, 1390, 1790, 2641, 2780, 3401, 3580, 5282, 6802, 10564, 13205, 13604, 17005, 24881, 26410, 34010, 49762, 52820, 68020, 99524, 124405, 248810, 472739, 497620, 945478, 1890956, 2363695, 4727390, 9454780]

約数ペア:

[(1, 9454780), (2, 4727390), (4, 2363695), (5, 1890956), (10, 945478), (19, 497620), (20, 472739), (38, 248810), (76, 124405), (95, 99524), (139, 68020), (179, 52820), (190, 49762), (278, 34010), (358, 26410), (380, 24881), (556, 17005), (695, 13604), (716, 13205), (895, 10564), (1390, 6802), (1790, 5282), (2641, 3580), (2780, 3401)]