81106850

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 174845952

約数和(自身を除く): 93739102

約数列:

[1, 2, 5, 10, 11, 22, 25, 31, 50, 55, 62, 67, 71, 110, 134, 142, 155, 275, 310, 335, 341, 355, 550, 670, 682, 710, 737, 775, 781, 1474, 1550, 1562, 1675, 1705, 1775, 2077, 2201, 3350, 3410, 3550, 3685, 3905, 4154, 4402, 4757, 7370, 7810, 8525, 9514, 10385, 11005, 17050, 18425, 19525, 20770, 22010, 22847, 23785, 24211, 36850, 39050, 45694, 47570, 48422, 51925, 52327, 55025, 103850, 104654, 110050, 114235, 118925, 121055, 147467, 228470, 237850, 242110, 261635, 294934, 523270, 571175, 605275, 737335, 1142350, 1210550, 1308175, 1474670, 1622137, 2616350, 3244274, 3686675, 7373350, 8110685, 16221370, 40553425, 81106850]

約数ペア:

[(1, 81106850), (2, 40553425), (5, 16221370), (10, 8110685), (11, 7373350), (22, 3686675), (25, 3244274), (31, 2616350), (50, 1622137), (55, 1474670), (62, 1308175), (67, 1210550), (71, 1142350), (110, 737335), (134, 605275), (142, 571175), (155, 523270), (275, 294934), (310, 261635), (335, 242110), (341, 237850), (355, 228470), (550, 147467), (670, 121055), (682, 118925), (710, 114235), (737, 110050), (775, 104654), (781, 103850), (1474, 55025), (1550, 52327), (1562, 51925), (1675, 48422), (1705, 47570), (1775, 45694), (2077, 39050), (2201, 36850), (3350, 24211), (3410, 23785), (3550, 22847), (3685, 22010), (3905, 20770), (4154, 19525), (4402, 18425), (4757, 17050), (7370, 11005), (7810, 10385), (8525, 9514)]