157826990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^2$

素因数の和:281

約数の個数: 48

約数和(自身を含む): 301233600

約数和(自身を除く): 143406610

約数列:

[1, 2, 5, 10, 29, 58, 79, 83, 145, 158, 166, 290, 395, 415, 790, 830, 2291, 2407, 4582, 4814, 6557, 6889, 11455, 12035, 13114, 13778, 22910, 24070, 32785, 34445, 65570, 68890, 190153, 199781, 380306, 399562, 544231, 950765, 998905, 1088462, 1901530, 1997810, 2721155, 5442310, 15782699, 31565398, 78913495, 157826990]

約数ペア:

[(1, 157826990), (2, 78913495), (5, 31565398), (10, 15782699), (29, 5442310), (58, 2721155), (79, 1997810), (83, 1901530), (145, 1088462), (158, 998905), (166, 950765), (290, 544231), (395, 399562), (415, 380306), (790, 199781), (830, 190153), (2291, 68890), (2407, 65570), (4582, 34445), (4814, 32785), (6557, 24070), (6889, 22910), (11455, 13778), (12035, 13114)]