28108655060

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{273271}}^1$

素因数の和:273456

約数の個数: 48

約数和(自身を含む): 61059895680

約数和(自身を除く): 32951240620

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 139, 148, 185, 278, 370, 556, 695, 740, 1390, 2780, 5143, 10286, 20572, 25715, 51430, 102860, 273271, 546542, 1093084, 1366355, 2732710, 5465420, 10111027, 20222054, 37984669, 40444108, 50555135, 75969338, 101110270, 151938676, 189923345, 202220540, 379846690, 759693380, 1405432753, 2810865506, 5621731012, 7027163765, 14054327530, 28108655060]

約数ペア:

[(1, 28108655060), (2, 14054327530), (4, 7027163765), (5, 5621731012), (10, 2810865506), (20, 1405432753), (37, 759693380), (74, 379846690), (139, 202220540), (148, 189923345), (185, 151938676), (278, 101110270), (370, 75969338), (556, 50555135), (695, 40444108), (740, 37984669), (1390, 20222054), (2780, 10111027), (5143, 5465420), (10286, 2732710), (20572, 1366355), (25715, 1093084), (51430, 546542), (102860, 273271)]