66403900

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1$

素因数の和:319

約数の個数: 72

約数和(自身を含む): 150209136

約数和(自身を除く): 83805236

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 74, 100, 131, 137, 148, 185, 262, 274, 370, 524, 548, 655, 685, 740, 925, 1310, 1370, 1850, 2620, 2740, 3275, 3425, 3700, 4847, 5069, 6550, 6850, 9694, 10138, 13100, 13700, 17947, 19388, 20276, 24235, 25345, 35894, 48470, 50690, 71788, 89735, 96940, 101380, 121175, 126725, 179470, 242350, 253450, 358940, 448675, 484700, 506900, 664039, 897350, 1328078, 1794700, 2656156, 3320195, 6640390, 13280780, 16600975, 33201950, 66403900]

約数ペア:

[(1, 66403900), (2, 33201950), (4, 16600975), (5, 13280780), (10, 6640390), (20, 3320195), (25, 2656156), (37, 1794700), (50, 1328078), (74, 897350), (100, 664039), (131, 506900), (137, 484700), (148, 448675), (185, 358940), (262, 253450), (274, 242350), (370, 179470), (524, 126725), (548, 121175), (655, 101380), (685, 96940), (740, 89735), (925, 71788), (1310, 50690), (1370, 48470), (1850, 35894), (2620, 25345), (2740, 24235), (3275, 20276), (3425, 19388), (3700, 17947), (4847, 13700), (5069, 13100), (6550, 10138), (6850, 9694)]