69881750

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 138018816

約数和(自身を除く): 68137066

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 71, 125, 127, 142, 155, 250, 254, 310, 355, 635, 710, 775, 1270, 1550, 1775, 2201, 3175, 3550, 3875, 3937, 4402, 6350, 7750, 7874, 8875, 9017, 11005, 15875, 17750, 18034, 19685, 22010, 31750, 39370, 45085, 55025, 90170, 98425, 110050, 196850, 225425, 275125, 279527, 450850, 492125, 550250, 559054, 984250, 1127125, 1397635, 2254250, 2795270, 6988175, 13976350, 34940875, 69881750]

約数ペア:

[(1, 69881750), (2, 34940875), (5, 13976350), (10, 6988175), (25, 2795270), (31, 2254250), (50, 1397635), (62, 1127125), (71, 984250), (125, 559054), (127, 550250), (142, 492125), (155, 450850), (250, 279527), (254, 275125), (310, 225425), (355, 196850), (635, 110050), (710, 98425), (775, 90170), (1270, 55025), (1550, 45085), (1775, 39370), (2201, 31750), (3175, 22010), (3550, 19685), (3875, 18034), (3937, 17750), (4402, 15875), (6350, 11005), (7750, 9017), (7874, 8875)]