99389380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{311}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 228271680

約数和(自身を除く): 128882300

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 311, 380, 551, 580, 622, 841, 1102, 1244, 1555, 1682, 2204, 2755, 3110, 3364, 4205, 5510, 5909, 6220, 8410, 9019, 11020, 11818, 15979, 16820, 18038, 23636, 29545, 31958, 36076, 45095, 59090, 63916, 79895, 90190, 118180, 159790, 171361, 180380, 261551, 319580, 342722, 523102, 685444, 856805, 1046204, 1307755, 1713610, 2615510, 3427220, 4969469, 5231020, 9938938, 19877876, 24847345, 49694690, 99389380]

約数ペア:

[(1, 99389380), (2, 49694690), (4, 24847345), (5, 19877876), (10, 9938938), (19, 5231020), (20, 4969469), (29, 3427220), (38, 2615510), (58, 1713610), (76, 1307755), (95, 1046204), (116, 856805), (145, 685444), (190, 523102), (290, 342722), (311, 319580), (380, 261551), (551, 180380), (580, 171361), (622, 159790), (841, 118180), (1102, 90190), (1244, 79895), (1555, 63916), (1682, 59090), (2204, 45095), (2755, 36076), (3110, 31958), (3364, 29545), (4205, 23636), (5510, 18038), (5909, 16820), (6220, 15979), (8410, 11818), (9019, 11020)]