19922000

素因数分解:

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

素因数の和:1453

約数の個数: 80

約数和(自身を含む): 55091712

約数和(自身を除く): 35169712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1423, 1750, 2000, 2800, 2846, 3500, 5692, 7000, 7115, 9961, 11384, 14000, 14230, 19922, 22768, 28460, 35575, 39844, 49805, 56920, 71150, 79688, 99610, 113840, 142300, 159376, 177875, 199220, 249025, 284600, 355750, 398440, 498050, 569200, 711500, 796880, 996100, 1245125, 1423000, 1992200, 2490250, 2846000, 3984400, 4980500, 9961000, 19922000]

約数ペア:

[(1, 19922000), (2, 9961000), (4, 4980500), (5, 3984400), (7, 2846000), (8, 2490250), (10, 1992200), (14, 1423000), (16, 1245125), (20, 996100), (25, 796880), (28, 711500), (35, 569200), (40, 498050), (50, 398440), (56, 355750), (70, 284600), (80, 249025), (100, 199220), (112, 177875), (125, 159376), (140, 142300), (175, 113840), (200, 99610), (250, 79688), (280, 71150), (350, 56920), (400, 49805), (500, 39844), (560, 35575), (700, 28460), (875, 22768), (1000, 19922), (1400, 14230), (1423, 14000), (1750, 11384), (2000, 9961), (2800, 7115), (2846, 7000), (3500, 5692)]