28975870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{311}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 65774592

約数和(自身を除く): 36798722

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 121, 154, 242, 311, 385, 605, 622, 770, 847, 1210, 1331, 1555, 1694, 2177, 2662, 3110, 3421, 4235, 4354, 6655, 6842, 8470, 9317, 10885, 13310, 17105, 18634, 21770, 23947, 34210, 37631, 46585, 47894, 75262, 93170, 119735, 188155, 239470, 263417, 376310, 413941, 526834, 827882, 1317085, 2069705, 2634170, 2897587, 4139410, 5795174, 14487935, 28975870]

約数ペア:

[(1, 28975870), (2, 14487935), (5, 5795174), (7, 4139410), (10, 2897587), (11, 2634170), (14, 2069705), (22, 1317085), (35, 827882), (55, 526834), (70, 413941), (77, 376310), (110, 263417), (121, 239470), (154, 188155), (242, 119735), (311, 93170), (385, 75262), (605, 47894), (622, 46585), (770, 37631), (847, 34210), (1210, 23947), (1331, 21770), (1555, 18634), (1694, 17105), (2177, 13310), (2662, 10885), (3110, 9317), (3421, 8470), (4235, 6842), (4354, 6655)]