9961000

素因数分解:

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

素因数の和:1451

約数の個数: 64

約数和(自身を含む): 26657280

約数和(自身を除く): 16696280

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, 700, 875, 1000, 1400, 1423, 1750, 2846, 3500, 5692, 7000, 7115, 9961, 11384, 14230, 19922, 28460, 35575, 39844, 49805, 56920, 71150, 79688, 99610, 142300, 177875, 199220, 249025, 284600, 355750, 398440, 498050, 711500, 996100, 1245125, 1423000, 1992200, 2490250, 4980500, 9961000]

約数ペア:

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