2912897900

素因数分解:

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

素因数の和:19215

約数の個数: 72

約数和(自身を含む): 6945597120

約数和(自身を除く): 4032699220

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 139, 220, 275, 278, 550, 556, 695, 1100, 1390, 1529, 2780, 3058, 3475, 6116, 6950, 7645, 13900, 15290, 19051, 30580, 38102, 38225, 76204, 76450, 95255, 152900, 190510, 209561, 381020, 419122, 476275, 838244, 952550, 1047805, 1905100, 2095610, 2648089, 4191220, 5239025, 5296178, 10478050, 10592356, 13240445, 20956100, 26480890, 29128979, 52961780, 58257958, 66202225, 116515916, 132404450, 145644895, 264808900, 291289790, 582579580, 728224475, 1456448950, 2912897900]

約数ペア:

[(1, 2912897900), (2, 1456448950), (4, 728224475), (5, 582579580), (10, 291289790), (11, 264808900), (20, 145644895), (22, 132404450), (25, 116515916), (44, 66202225), (50, 58257958), (55, 52961780), (100, 29128979), (110, 26480890), (139, 20956100), (220, 13240445), (275, 10592356), (278, 10478050), (550, 5296178), (556, 5239025), (695, 4191220), (1100, 2648089), (1390, 2095610), (1529, 1905100), (2780, 1047805), (3058, 952550), (3475, 838244), (6116, 476275), (6950, 419122), (7645, 381020), (13900, 209561), (15290, 190510), (19051, 152900), (30580, 95255), (38102, 76450), (38225, 76204)]