87204700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{7207}}^1$

素因数の和:7243

約数の個数: 54

約数和(自身を含む): 208030088

約数和(自身を除く): 120825388

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 121, 220, 242, 275, 484, 550, 605, 1100, 1210, 2420, 3025, 6050, 7207, 12100, 14414, 28828, 36035, 72070, 79277, 144140, 158554, 180175, 317108, 360350, 396385, 720700, 792770, 872047, 1585540, 1744094, 1981925, 3488188, 3963850, 4360235, 7927700, 8720470, 17440940, 21801175, 43602350, 87204700]

約数ペア:

[(1, 87204700), (2, 43602350), (4, 21801175), (5, 17440940), (10, 8720470), (11, 7927700), (20, 4360235), (22, 3963850), (25, 3488188), (44, 1981925), (50, 1744094), (55, 1585540), (100, 872047), (110, 792770), (121, 720700), (220, 396385), (242, 360350), (275, 317108), (484, 180175), (550, 158554), (605, 144140), (1100, 79277), (1210, 72070), (2420, 36035), (3025, 28828), (6050, 14414), (7207, 12100)]