38665700

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 88536000

約数和(自身を除く): 49870300

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 67, 100, 116, 134, 145, 199, 268, 290, 335, 398, 580, 670, 725, 796, 995, 1340, 1450, 1675, 1943, 1990, 2900, 3350, 3886, 3980, 4975, 5771, 6700, 7772, 9715, 9950, 11542, 13333, 19430, 19900, 23084, 26666, 28855, 38860, 48575, 53332, 57710, 66665, 97150, 115420, 133330, 144275, 194300, 266660, 288550, 333325, 386657, 577100, 666650, 773314, 1333300, 1546628, 1933285, 3866570, 7733140, 9666425, 19332850, 38665700]

約数ペア:

[(1, 38665700), (2, 19332850), (4, 9666425), (5, 7733140), (10, 3866570), (20, 1933285), (25, 1546628), (29, 1333300), (50, 773314), (58, 666650), (67, 577100), (100, 386657), (116, 333325), (134, 288550), (145, 266660), (199, 194300), (268, 144275), (290, 133330), (335, 115420), (398, 97150), (580, 66665), (670, 57710), (725, 53332), (796, 48575), (995, 38860), (1340, 28855), (1450, 26666), (1675, 23084), (1943, 19900), (1990, 19430), (2900, 13333), (3350, 11542), (3886, 9950), (3980, 9715), (4975, 7772), (5771, 6700)]