2928100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 7499520

約数和(自身を除く): 4571420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 47, 50, 70, 89, 94, 100, 140, 175, 178, 188, 235, 329, 350, 356, 445, 470, 623, 658, 700, 890, 940, 1175, 1246, 1316, 1645, 1780, 2225, 2350, 2492, 3115, 3290, 4183, 4450, 4700, 6230, 6580, 8225, 8366, 8900, 12460, 15575, 16450, 16732, 20915, 29281, 31150, 32900, 41830, 58562, 62300, 83660, 104575, 117124, 146405, 209150, 292810, 418300, 585620, 732025, 1464050, 2928100]

約数ペア:

[(1, 2928100), (2, 1464050), (4, 732025), (5, 585620), (7, 418300), (10, 292810), (14, 209150), (20, 146405), (25, 117124), (28, 104575), (35, 83660), (47, 62300), (50, 58562), (70, 41830), (89, 32900), (94, 31150), (100, 29281), (140, 20915), (175, 16732), (178, 16450), (188, 15575), (235, 12460), (329, 8900), (350, 8366), (356, 8225), (445, 6580), (470, 6230), (623, 4700), (658, 4450), (700, 4183), (890, 3290), (940, 3115), (1175, 2492), (1246, 2350), (1316, 2225), (1645, 1780)]