204614980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{1409}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 441307440

約数和(自身を除く): 236692460

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 137, 212, 265, 274, 530, 548, 685, 1060, 1370, 1409, 2740, 2818, 5636, 7045, 7261, 14090, 14522, 28180, 29044, 36305, 72610, 74677, 145220, 149354, 193033, 298708, 373385, 386066, 746770, 772132, 965165, 1493540, 1930330, 3860660, 10230749, 20461498, 40922996, 51153745, 102307490, 204614980]

約数ペア:

[(1, 204614980), (2, 102307490), (4, 51153745), (5, 40922996), (10, 20461498), (20, 10230749), (53, 3860660), (106, 1930330), (137, 1493540), (212, 965165), (265, 772132), (274, 746770), (530, 386066), (548, 373385), (685, 298708), (1060, 193033), (1370, 149354), (1409, 145220), (2740, 74677), (2818, 72610), (5636, 36305), (7045, 29044), (7261, 28180), (14090, 14522)]