214640690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{991}}^1$

素因数の和:1199

約数の個数: 48

約数和(自身を含む): 427472640

約数和(自身を除く): 212831950

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 179, 242, 358, 605, 895, 991, 1210, 1790, 1969, 1982, 3938, 4955, 9845, 9910, 10901, 19690, 21659, 21802, 43318, 54505, 108295, 109010, 119911, 177389, 216590, 239822, 354778, 599555, 886945, 1199110, 1773890, 1951279, 3902558, 9756395, 19512790, 21464069, 42928138, 107320345, 214640690]

約数ペア:

[(1, 214640690), (2, 107320345), (5, 42928138), (10, 21464069), (11, 19512790), (22, 9756395), (55, 3902558), (110, 1951279), (121, 1773890), (179, 1199110), (242, 886945), (358, 599555), (605, 354778), (895, 239822), (991, 216590), (1210, 177389), (1790, 119911), (1969, 109010), (1982, 108295), (3938, 54505), (4955, 43318), (9845, 21802), (9910, 21659), (10901, 19690)]