211277560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1151}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 513838080

約数和(自身を除く): 302560520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 520, 706, 1151, 1412, 1765, 2302, 2824, 3530, 4589, 4604, 5755, 7060, 9178, 9208, 11510, 14120, 14963, 18356, 22945, 23020, 29926, 36712, 45890, 46040, 59852, 74815, 91780, 119704, 149630, 183560, 299260, 406303, 598520, 812606, 1625212, 2031515, 3250424, 4063030, 5281939, 8126060, 10563878, 16252120, 21127756, 26409695, 42255512, 52819390, 105638780, 211277560]

約数ペア:

[(1, 211277560), (2, 105638780), (4, 52819390), (5, 42255512), (8, 26409695), (10, 21127756), (13, 16252120), (20, 10563878), (26, 8126060), (40, 5281939), (52, 4063030), (65, 3250424), (104, 2031515), (130, 1625212), (260, 812606), (353, 598520), (520, 406303), (706, 299260), (1151, 183560), (1412, 149630), (1765, 119704), (2302, 91780), (2824, 74815), (3530, 59852), (4589, 46040), (4604, 45890), (5755, 36712), (7060, 29926), (9178, 23020), (9208, 22945), (11510, 18356), (14120, 14963)]