1012220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 2395008

約数和(自身を除く): 1382788

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 107, 110, 172, 214, 215, 220, 428, 430, 473, 535, 860, 946, 1070, 1177, 1892, 2140, 2354, 2365, 4601, 4708, 4730, 5885, 9202, 9460, 11770, 18404, 23005, 23540, 46010, 50611, 92020, 101222, 202444, 253055, 506110, 1012220]

約数ペア:

[(1, 1012220), (2, 506110), (4, 253055), (5, 202444), (10, 101222), (11, 92020), (20, 50611), (22, 46010), (43, 23540), (44, 23005), (55, 18404), (86, 11770), (107, 9460), (110, 9202), (172, 5885), (214, 4730), (215, 4708), (220, 4601), (428, 2365), (430, 2354), (473, 2140), (535, 1892), (860, 1177), (946, 1070)]