79889600

素因数分解:

$2^6\times 5^2\times 7^2\times {\mathrm{1019}}^1$

素因数の和:1055

約数の個数: 126

約数和(自身を含む): 228897180

約数和(自身を除く): 149007580

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 112, 140, 160, 175, 196, 200, 224, 245, 280, 320, 350, 392, 400, 448, 490, 560, 700, 784, 800, 980, 1019, 1120, 1225, 1400, 1568, 1600, 1960, 2038, 2240, 2450, 2800, 3136, 3920, 4076, 4900, 5095, 5600, 7133, 7840, 8152, 9800, 10190, 11200, 14266, 15680, 16304, 19600, 20380, 25475, 28532, 32608, 35665, 39200, 40760, 49931, 50950, 57064, 65216, 71330, 78400, 81520, 99862, 101900, 114128, 142660, 163040, 178325, 199724, 203800, 228256, 249655, 285320, 326080, 356650, 399448, 407600, 456512, 499310, 570640, 713300, 798896, 815200, 998620, 1141280, 1248275, 1426600, 1597792, 1630400, 1997240, 2282560, 2496550, 2853200, 3195584, 3994480, 4993100, 5706400, 7988960, 9986200, 11412800, 15977920, 19972400, 39944800, 79889600]

約数ペア:

[(1, 79889600), (2, 39944800), (4, 19972400), (5, 15977920), (7, 11412800), (8, 9986200), (10, 7988960), (14, 5706400), (16, 4993100), (20, 3994480), (25, 3195584), (28, 2853200), (32, 2496550), (35, 2282560), (40, 1997240), (49, 1630400), (50, 1597792), (56, 1426600), (64, 1248275), (70, 1141280), (80, 998620), (98, 815200), (100, 798896), (112, 713300), (140, 570640), (160, 499310), (175, 456512), (196, 407600), (200, 399448), (224, 356650), (245, 326080), (280, 285320), (320, 249655), (350, 228256), (392, 203800), (400, 199724), (448, 178325), (490, 163040), (560, 142660), (700, 114128), (784, 101900), (800, 99862), (980, 81520), (1019, 78400), (1120, 71330), (1225, 65216), (1400, 57064), (1568, 50950), (1600, 49931), (1960, 40760), (2038, 39200), (2240, 35665), (2450, 32608), (2800, 28532), (3136, 25475), (3920, 20380), (4076, 19600), (4900, 16304), (5095, 15680), (5600, 14266), (7133, 11200), (7840, 10190), (8152, 9800)]