4900326940

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{257}}^1\times {\mathrm{3989}}^1$

素因数の和:4494

約数の個数: 48

約数和(自身を含む): 10376553600

約数和(自身を除く): 5476226660

約数列:

[1, 2, 4, 5, 10, 20, 239, 257, 478, 514, 956, 1028, 1195, 1285, 2390, 2570, 3989, 4780, 5140, 7978, 15956, 19945, 39890, 61423, 79780, 122846, 245692, 307115, 614230, 953371, 1025173, 1228460, 1906742, 2050346, 3813484, 4100692, 4766855, 5125865, 9533710, 10251730, 19067420, 20503460, 245016347, 490032694, 980065388, 1225081735, 2450163470, 4900326940]

約数ペア:

[(1, 4900326940), (2, 2450163470), (4, 1225081735), (5, 980065388), (10, 490032694), (20, 245016347), (239, 20503460), (257, 19067420), (478, 10251730), (514, 9533710), (956, 5125865), (1028, 4766855), (1195, 4100692), (1285, 3813484), (2390, 2050346), (2570, 1906742), (3989, 1228460), (4780, 1025173), (5140, 953371), (7978, 614230), (15956, 307115), (19945, 245692), (39890, 122846), (61423, 79780)]