284900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:69

約数の個数: 72

約数和(自身を含む): 791616

約数和(自身を除く): 506716

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 37, 44, 50, 55, 70, 74, 77, 100, 110, 140, 148, 154, 175, 185, 220, 259, 275, 308, 350, 370, 385, 407, 518, 550, 700, 740, 770, 814, 925, 1036, 1100, 1295, 1540, 1628, 1850, 1925, 2035, 2590, 2849, 3700, 3850, 4070, 5180, 5698, 6475, 7700, 8140, 10175, 11396, 12950, 14245, 20350, 25900, 28490, 40700, 56980, 71225, 142450, 284900]

約数ペア:

[(1, 284900), (2, 142450), (4, 71225), (5, 56980), (7, 40700), (10, 28490), (11, 25900), (14, 20350), (20, 14245), (22, 12950), (25, 11396), (28, 10175), (35, 8140), (37, 7700), (44, 6475), (50, 5698), (55, 5180), (70, 4070), (74, 3850), (77, 3700), (100, 2849), (110, 2590), (140, 2035), (148, 1925), (154, 1850), (175, 1628), (185, 1540), (220, 1295), (259, 1100), (275, 1036), (308, 925), (350, 814), (370, 770), (385, 740), (407, 700), (518, 550)]