4080686980

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1\times {\mathrm{2137}}^1$

素因数の和:2764

約数の個数: 48

約数和(自身を含む): 8629036416

約数和(自身を除く): 4548349436

約数列:

[1, 2, 4, 5, 10, 20, 307, 311, 614, 622, 1228, 1244, 1535, 1555, 2137, 3070, 3110, 4274, 6140, 6220, 8548, 10685, 21370, 42740, 95477, 190954, 381908, 477385, 656059, 664607, 954770, 1312118, 1329214, 1909540, 2624236, 2658428, 3280295, 3323035, 6560590, 6646070, 13121180, 13292140, 204034349, 408068698, 816137396, 1020171745, 2040343490, 4080686980]

約数ペア:

[(1, 4080686980), (2, 2040343490), (4, 1020171745), (5, 816137396), (10, 408068698), (20, 204034349), (307, 13292140), (311, 13121180), (614, 6646070), (622, 6560590), (1228, 3323035), (1244, 3280295), (1535, 2658428), (1555, 2624236), (2137, 1909540), (3070, 1329214), (3110, 1312118), (4274, 954770), (6140, 664607), (6220, 656059), (8548, 477385), (10685, 381908), (21370, 190954), (42740, 95477)]