199397920

素因数分解:

$2^5\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{1223}}^1$

素因数の和:2257

約数の個数: 48

約数和(自身を含む): 471925440

約数和(自身を除く): 272527520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1019, 1223, 2038, 2446, 4076, 4892, 5095, 6115, 8152, 9784, 10190, 12230, 16304, 19568, 20380, 24460, 32608, 39136, 40760, 48920, 81520, 97840, 163040, 195680, 1246237, 2492474, 4984948, 6231185, 9969896, 12462370, 19939792, 24924740, 39879584, 49849480, 99698960, 199397920]

約数ペア:

[(1, 199397920), (2, 99698960), (4, 49849480), (5, 39879584), (8, 24924740), (10, 19939792), (16, 12462370), (20, 9969896), (32, 6231185), (40, 4984948), (80, 2492474), (160, 1246237), (1019, 195680), (1223, 163040), (2038, 97840), (2446, 81520), (4076, 48920), (4892, 40760), (5095, 39136), (6115, 32608), (8152, 24460), (9784, 20380), (10190, 19568), (12230, 16304)]