99890000

素因数分解:

$2^4\times 5^4\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1462

約数の個数: 100

約数和(自身を含む): 276586464

約数和(自身を除く): 176696464

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, 625, 700, 875, 1000, 1250, 1400, 1427, 1750, 2000, 2500, 2800, 2854, 3500, 4375, 5000, 5708, 7000, 7135, 8750, 9989, 10000, 11416, 14000, 14270, 17500, 19978, 22832, 28540, 35000, 35675, 39956, 49945, 57080, 70000, 71350, 79912, 99890, 114160, 142700, 159824, 178375, 199780, 249725, 285400, 356750, 399560, 499450, 570800, 713500, 799120, 891875, 998900, 1248625, 1427000, 1783750, 1997800, 2497250, 2854000, 3567500, 3995600, 4994500, 6243125, 7135000, 9989000, 12486250, 14270000, 19978000, 24972500, 49945000, 99890000]

約数ペア:

[(1, 99890000), (2, 49945000), (4, 24972500), (5, 19978000), (7, 14270000), (8, 12486250), (10, 9989000), (14, 7135000), (16, 6243125), (20, 4994500), (25, 3995600), (28, 3567500), (35, 2854000), (40, 2497250), (50, 1997800), (56, 1783750), (70, 1427000), (80, 1248625), (100, 998900), (112, 891875), (125, 799120), (140, 713500), (175, 570800), (200, 499450), (250, 399560), (280, 356750), (350, 285400), (400, 249725), (500, 199780), (560, 178375), (625, 159824), (700, 142700), (875, 114160), (1000, 99890), (1250, 79912), (1400, 71350), (1427, 70000), (1750, 57080), (2000, 49945), (2500, 39956), (2800, 35675), (2854, 35000), (3500, 28540), (4375, 22832), (5000, 19978), (5708, 17500), (7000, 14270), (7135, 14000), (8750, 11416), (9989, 10000)]