28525000

素因数分解:

$2^3\times 5^5\times 7^1\times {\mathrm{163}}^1$

素因数の和:201

約数の個数: 96

約数和(自身を含む): 76870080

約数和(自身を除く): 48345080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 125, 140, 163, 175, 200, 250, 280, 326, 350, 500, 625, 652, 700, 815, 875, 1000, 1141, 1250, 1304, 1400, 1630, 1750, 2282, 2500, 3125, 3260, 3500, 4075, 4375, 4564, 5000, 5705, 6250, 6520, 7000, 8150, 8750, 9128, 11410, 12500, 16300, 17500, 20375, 21875, 22820, 25000, 28525, 32600, 35000, 40750, 43750, 45640, 57050, 81500, 87500, 101875, 114100, 142625, 163000, 175000, 203750, 228200, 285250, 407500, 509375, 570500, 713125, 815000, 1018750, 1141000, 1426250, 2037500, 2852500, 3565625, 4075000, 5705000, 7131250, 14262500, 28525000]

約数ペア:

[(1, 28525000), (2, 14262500), (4, 7131250), (5, 5705000), (7, 4075000), (8, 3565625), (10, 2852500), (14, 2037500), (20, 1426250), (25, 1141000), (28, 1018750), (35, 815000), (40, 713125), (50, 570500), (56, 509375), (70, 407500), (100, 285250), (125, 228200), (140, 203750), (163, 175000), (175, 163000), (200, 142625), (250, 114100), (280, 101875), (326, 87500), (350, 81500), (500, 57050), (625, 45640), (652, 43750), (700, 40750), (815, 35000), (875, 32600), (1000, 28525), (1141, 25000), (1250, 22820), (1304, 21875), (1400, 20375), (1630, 17500), (1750, 16300), (2282, 12500), (2500, 11410), (3125, 9128), (3260, 8750), (3500, 8150), (4075, 7000), (4375, 6520), (4564, 6250), (5000, 5705)]