211674580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{15361}}^1$

素因数の和:15436

約数の個数: 48

約数和(自身を含む): 487774224

約数和(自身を除く): 276099644

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 15361, 30722, 61444, 76805, 153610, 199693, 307220, 399386, 798772, 814133, 998465, 1628266, 1996930, 3256532, 3993860, 4070665, 8141330, 10583729, 16282660, 21167458, 42334916, 52918645, 105837290, 211674580]

約数ペア:

[(1, 211674580), (2, 105837290), (4, 52918645), (5, 42334916), (10, 21167458), (13, 16282660), (20, 10583729), (26, 8141330), (52, 4070665), (53, 3993860), (65, 3256532), (106, 1996930), (130, 1628266), (212, 998465), (260, 814133), (265, 798772), (530, 399386), (689, 307220), (1060, 199693), (1378, 153610), (2756, 76805), (3445, 61444), (6890, 30722), (13780, 15361)]