1020280180

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1\times {\mathrm{2131}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 2204931456

約数和(自身を除く): 1184651276

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 647, 740, 1294, 2131, 2588, 3235, 4262, 6470, 8524, 10655, 12940, 21310, 23939, 42620, 47878, 78847, 95756, 119695, 157694, 239390, 315388, 394235, 478780, 788470, 1378757, 1576940, 2757514, 5515028, 6893785, 13787570, 27575140, 51014009, 102028018, 204056036, 255070045, 510140090, 1020280180]

約数ペア:

[(1, 1020280180), (2, 510140090), (4, 255070045), (5, 204056036), (10, 102028018), (20, 51014009), (37, 27575140), (74, 13787570), (148, 6893785), (185, 5515028), (370, 2757514), (647, 1576940), (740, 1378757), (1294, 788470), (2131, 478780), (2588, 394235), (3235, 315388), (4262, 239390), (6470, 157694), (8524, 119695), (10655, 95756), (12940, 78847), (21310, 47878), (23939, 42620)]