54142780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{7499}}^1$

素因数の和:7546

約数の個数: 36

約数和(自身を含む): 120015000

約数和(自身を除く): 65872220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 7499, 14998, 29996, 37495, 74990, 142481, 149980, 284962, 569924, 712405, 1424810, 2707139, 2849620, 5414278, 10828556, 13535695, 27071390, 54142780]

約数ペア:

[(1, 54142780), (2, 27071390), (4, 13535695), (5, 10828556), (10, 5414278), (19, 2849620), (20, 2707139), (38, 1424810), (76, 712405), (95, 569924), (190, 284962), (361, 149980), (380, 142481), (722, 74990), (1444, 37495), (1805, 29996), (3610, 14998), (7220, 7499)]