209224675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1741}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 311051520

約数和(自身を除く): 101826845

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 253, 275, 437, 475, 575, 1045, 1265, 1741, 2185, 4807, 5225, 6325, 8705, 10925, 19151, 24035, 33079, 40043, 43525, 95755, 120175, 165395, 200215, 363869, 440473, 478775, 760817, 826975, 1001075, 1819345, 2202365, 3804085, 8368987, 9096725, 11011825, 19020425, 41844935, 209224675]

約数ペア:

[(1, 209224675), (5, 41844935), (11, 19020425), (19, 11011825), (23, 9096725), (25, 8368987), (55, 3804085), (95, 2202365), (115, 1819345), (209, 1001075), (253, 826975), (275, 760817), (437, 478775), (475, 440473), (575, 363869), (1045, 200215), (1265, 165395), (1741, 120175), (2185, 95755), (4807, 43525), (5225, 40043), (6325, 33079), (8705, 24035), (10925, 19151)]