858370220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1061}}^1\times {\mathrm{2129}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 1900130400

約数和(自身を除く): 1041760180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1061, 2122, 2129, 4244, 4258, 5305, 8516, 10610, 10645, 20159, 21220, 21290, 40318, 40451, 42580, 80636, 80902, 100795, 161804, 201590, 202255, 403180, 404510, 809020, 2258869, 4517738, 9035476, 11294345, 22588690, 42918511, 45177380, 85837022, 171674044, 214592555, 429185110, 858370220]

約数ペア:

[(1, 858370220), (2, 429185110), (4, 214592555), (5, 171674044), (10, 85837022), (19, 45177380), (20, 42918511), (38, 22588690), (76, 11294345), (95, 9035476), (190, 4517738), (380, 2258869), (1061, 809020), (2122, 404510), (2129, 403180), (4244, 202255), (4258, 201590), (5305, 161804), (8516, 100795), (10610, 80902), (10645, 80636), (20159, 42580), (21220, 40451), (21290, 40318)]