49805000

素因数分解:

$2^3\times 5^4\times 7^1\times {\mathrm{1423}}^1$

素因数の和:1456

約数の個数: 80

約数和(自身を含む): 133457280

約数和(自身を除く): 83652280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 175, 200, 250, 280, 350, 500, 625, 700, 875, 1000, 1250, 1400, 1423, 1750, 2500, 2846, 3500, 4375, 5000, 5692, 7000, 7115, 8750, 9961, 11384, 14230, 17500, 19922, 28460, 35000, 35575, 39844, 49805, 56920, 71150, 79688, 99610, 142300, 177875, 199220, 249025, 284600, 355750, 398440, 498050, 711500, 889375, 996100, 1245125, 1423000, 1778750, 1992200, 2490250, 3557500, 4980500, 6225625, 7115000, 9961000, 12451250, 24902500, 49805000]

約数ペア:

[(1, 49805000), (2, 24902500), (4, 12451250), (5, 9961000), (7, 7115000), (8, 6225625), (10, 4980500), (14, 3557500), (20, 2490250), (25, 1992200), (28, 1778750), (35, 1423000), (40, 1245125), (50, 996100), (56, 889375), (70, 711500), (100, 498050), (125, 398440), (140, 355750), (175, 284600), (200, 249025), (250, 199220), (280, 177875), (350, 142300), (500, 99610), (625, 79688), (700, 71150), (875, 56920), (1000, 49805), (1250, 39844), (1400, 35575), (1423, 35000), (1750, 28460), (2500, 19922), (2846, 17500), (3500, 14230), (4375, 11384), (5000, 9961), (5692, 8750), (7000, 7115)]