38570980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2011}}^1$

素因数の和:2164

約数の個数: 48

約数和(自身を含む): 93292416

約数和(自身を除く): 54721436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2011, 2740, 3836, 4022, 4795, 8044, 9590, 10055, 14077, 19180, 20110, 28154, 40220, 56308, 70385, 140770, 275507, 281540, 551014, 1102028, 1377535, 1928549, 2755070, 3857098, 5510140, 7714196, 9642745, 19285490, 38570980]

約数ペア:

[(1, 38570980), (2, 19285490), (4, 9642745), (5, 7714196), (7, 5510140), (10, 3857098), (14, 2755070), (20, 1928549), (28, 1377535), (35, 1102028), (70, 551014), (137, 281540), (140, 275507), (274, 140770), (548, 70385), (685, 56308), (959, 40220), (1370, 28154), (1918, 20110), (2011, 19180), (2740, 14077), (3836, 10055), (4022, 9590), (4795, 8044)]