389618915

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 64

約数和(自身を含む): 577843200

約数和(自身を除く): 188224285

約数列:

[1, 5, 7, 29, 35, 43, 79, 113, 145, 203, 215, 301, 395, 553, 565, 791, 1015, 1247, 1505, 2291, 2765, 3277, 3397, 3955, 4859, 6235, 8729, 8927, 11455, 16037, 16385, 16985, 22939, 23779, 24295, 34013, 43645, 44635, 62489, 80185, 98513, 114695, 118895, 140911, 170065, 258883, 312445, 383861, 492565, 689591, 704555, 986377, 1294415, 1812181, 1919305, 2687027, 3447955, 4931885, 9060905, 11131969, 13435135, 55659845, 77923783, 389618915]

約数ペア:

[(1, 389618915), (5, 77923783), (7, 55659845), (29, 13435135), (35, 11131969), (43, 9060905), (79, 4931885), (113, 3447955), (145, 2687027), (203, 1919305), (215, 1812181), (301, 1294415), (395, 986377), (553, 704555), (565, 689591), (791, 492565), (1015, 383861), (1247, 312445), (1505, 258883), (2291, 170065), (2765, 140911), (3277, 118895), (3397, 114695), (3955, 98513), (4859, 80185), (6235, 62489), (8729, 44635), (8927, 43645), (11455, 34013), (16037, 24295), (16385, 23779), (16985, 22939)]