1550444390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1\times {\mathrm{1999}}^1$

素因数の和:2669

約数の個数: 48

約数和(自身を含む): 3073896000

約数和(自身を除く): 1523451610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 641, 1210, 1282, 1999, 3205, 3998, 6410, 7051, 9995, 14102, 19990, 21989, 35255, 43978, 70510, 77561, 109945, 155122, 219890, 241879, 387805, 483758, 775610, 1209395, 1281359, 2418790, 2562718, 6406795, 12813590, 14094949, 28189898, 70474745, 140949490, 155044439, 310088878, 775222195, 1550444390]

約数ペア:

[(1, 1550444390), (2, 775222195), (5, 310088878), (10, 155044439), (11, 140949490), (22, 70474745), (55, 28189898), (110, 14094949), (121, 12813590), (242, 6406795), (605, 2562718), (641, 2418790), (1210, 1281359), (1282, 1209395), (1999, 775610), (3205, 483758), (3998, 387805), (6410, 241879), (7051, 219890), (9995, 155122), (14102, 109945), (19990, 77561), (21989, 70510), (35255, 43978)]