128193100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{367}}^1\times {\mathrm{499}}^1$

素因数の和:887

約数の個数: 72

約数和(自身を含む): 319424000

約数和(自身を除く): 191230900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 367, 499, 700, 734, 998, 1468, 1835, 1996, 2495, 2569, 3493, 3670, 4990, 5138, 6986, 7340, 9175, 9980, 10276, 12475, 12845, 13972, 17465, 18350, 24950, 25690, 34930, 36700, 49900, 51380, 64225, 69860, 87325, 128450, 174650, 183133, 256900, 349300, 366266, 732532, 915665, 1281931, 1831330, 2563862, 3662660, 4578325, 5127724, 6409655, 9156650, 12819310, 18313300, 25638620, 32048275, 64096550, 128193100]

約数ペア:

[(1, 128193100), (2, 64096550), (4, 32048275), (5, 25638620), (7, 18313300), (10, 12819310), (14, 9156650), (20, 6409655), (25, 5127724), (28, 4578325), (35, 3662660), (50, 2563862), (70, 1831330), (100, 1281931), (140, 915665), (175, 732532), (350, 366266), (367, 349300), (499, 256900), (700, 183133), (734, 174650), (998, 128450), (1468, 87325), (1835, 69860), (1996, 64225), (2495, 51380), (2569, 49900), (3493, 36700), (3670, 34930), (4990, 25690), (5138, 24950), (6986, 18350), (7340, 17465), (9175, 13972), (9980, 12845), (10276, 12475)]