220979330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{11887}}^1$

素因数の和:11931

約数の個数: 48

約数和(自身を含む): 469908864

約数和(自身を除く): 248929534

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 169, 286, 338, 715, 845, 1430, 1690, 1859, 3718, 9295, 11887, 18590, 23774, 59435, 118870, 130757, 154531, 261514, 309062, 653785, 772655, 1307570, 1545310, 1699841, 2008903, 3399682, 4017806, 8499205, 10044515, 16998410, 20089030, 22097933, 44195866, 110489665, 220979330]

約数ペア:

[(1, 220979330), (2, 110489665), (5, 44195866), (10, 22097933), (11, 20089030), (13, 16998410), (22, 10044515), (26, 8499205), (55, 4017806), (65, 3399682), (110, 2008903), (130, 1699841), (143, 1545310), (169, 1307570), (286, 772655), (338, 653785), (715, 309062), (845, 261514), (1430, 154531), (1690, 130757), (1859, 118870), (3718, 59435), (9295, 23774), (11887, 18590)]