291289790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{19051}}^1$

素因数の和:19208

約数の個数: 32

約数和(自身を含む): 576132480

約数和(自身を除く): 284842690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 19051, 38102, 95255, 190510, 209561, 419122, 1047805, 2095610, 2648089, 5296178, 13240445, 26480890, 29128979, 58257958, 145644895, 291289790]

約数ペア:

[(1, 291289790), (2, 145644895), (5, 58257958), (10, 29128979), (11, 26480890), (22, 13240445), (55, 5296178), (110, 2648089), (139, 2095610), (278, 1047805), (695, 419122), (1390, 209561), (1529, 190510), (3058, 95255), (7645, 38102), (15290, 19051)]