506262220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{30983}}^1$

素因数の和:31054

約数の個数: 48

約数和(自身を含む): 1145168640

約数和(自身を除く): 638906420

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1634, 3268, 4085, 8170, 16340, 30983, 61966, 123932, 154915, 309830, 588677, 619660, 1177354, 1332269, 2354708, 2664538, 2943385, 5329076, 5886770, 6661345, 11773540, 13322690, 25313111, 26645380, 50626222, 101252444, 126565555, 253131110, 506262220]

約数ペア:

[(1, 506262220), (2, 253131110), (4, 126565555), (5, 101252444), (10, 50626222), (19, 26645380), (20, 25313111), (38, 13322690), (43, 11773540), (76, 6661345), (86, 5886770), (95, 5329076), (172, 2943385), (190, 2664538), (215, 2354708), (380, 1332269), (430, 1177354), (817, 619660), (860, 588677), (1634, 309830), (3268, 154915), (4085, 123932), (8170, 61966), (16340, 30983)]