2007690980

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1\times {\mathrm{2143}}^1$

素因数の和:2628

約数の個数: 48

約数和(自身を含む): 4261071360

約数和(自身を除く): 2253380380

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 337, 556, 674, 695, 1348, 1390, 1685, 2143, 2780, 3370, 4286, 6740, 8572, 10715, 21430, 42860, 46843, 93686, 187372, 234215, 297877, 468430, 595754, 722191, 936860, 1191508, 1444382, 1489385, 2888764, 2978770, 3610955, 5957540, 7221910, 14443820, 100384549, 200769098, 401538196, 501922745, 1003845490, 2007690980]

約数ペア:

[(1, 2007690980), (2, 1003845490), (4, 501922745), (5, 401538196), (10, 200769098), (20, 100384549), (139, 14443820), (278, 7221910), (337, 5957540), (556, 3610955), (674, 2978770), (695, 2888764), (1348, 1489385), (1390, 1444382), (1685, 1191508), (2143, 936860), (2780, 722191), (3370, 595754), (4286, 468430), (6740, 297877), (8572, 234215), (10715, 187372), (21430, 93686), (42860, 46843)]