870980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 2068416

約数和(自身を除く): 1197436

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 107, 110, 148, 185, 214, 220, 370, 407, 428, 535, 740, 814, 1070, 1177, 1628, 2035, 2140, 2354, 3959, 4070, 4708, 5885, 7918, 8140, 11770, 15836, 19795, 23540, 39590, 43549, 79180, 87098, 174196, 217745, 435490, 870980]

約数ペア:

[(1, 870980), (2, 435490), (4, 217745), (5, 174196), (10, 87098), (11, 79180), (20, 43549), (22, 39590), (37, 23540), (44, 19795), (55, 15836), (74, 11770), (107, 8140), (110, 7918), (148, 5885), (185, 4708), (214, 4070), (220, 3959), (370, 2354), (407, 2140), (428, 2035), (535, 1628), (740, 1177), (814, 1070)]