920415265

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 1512898560

約数和(自身を除く): 592483295

約数列:

[1, 5, 7, 11, 23, 31, 35, 49, 55, 77, 115, 155, 161, 217, 245, 253, 341, 385, 479, 539, 713, 805, 1085, 1127, 1265, 1519, 1705, 1771, 2387, 2395, 2695, 3353, 3565, 4991, 5269, 5635, 7595, 7843, 8855, 11017, 11935, 12397, 14849, 16709, 16765, 23471, 24955, 26345, 34937, 36883, 39215, 54901, 55085, 61985, 74245, 77119, 83545, 103943, 117355, 121187, 163339, 174685, 184415, 258181, 274505, 341527, 384307, 385595, 519715, 539833, 605935, 727601, 816695, 848309, 1143373, 1290905, 1707635, 1921535, 2390689, 2699165, 3638005, 3756797, 4241545, 5716865, 5938163, 8003611, 11953445, 16734823, 18783985, 26297579, 29690815, 40018055, 83674115, 131487895, 184083053, 920415265]

約数ペア:

[(1, 920415265), (5, 184083053), (7, 131487895), (11, 83674115), (23, 40018055), (31, 29690815), (35, 26297579), (49, 18783985), (55, 16734823), (77, 11953445), (115, 8003611), (155, 5938163), (161, 5716865), (217, 4241545), (245, 3756797), (253, 3638005), (341, 2699165), (385, 2390689), (479, 1921535), (539, 1707635), (713, 1290905), (805, 1143373), (1085, 848309), (1127, 816695), (1265, 727601), (1519, 605935), (1705, 539833), (1771, 519715), (2387, 385595), (2395, 384307), (2695, 341527), (3353, 274505), (3565, 258181), (4991, 184415), (5269, 174685), (5635, 163339), (7595, 121187), (7843, 117355), (8855, 103943), (11017, 83545), (11935, 77119), (12397, 74245), (14849, 61985), (16709, 55085), (16765, 54901), (23471, 39215), (24955, 36883), (26345, 34937)]