1385223880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1822663}}^1$

素因数の和:1822693

約数の個数: 32

約数和(自身を含む): 3280795200

約数和(自身を除く): 1895571320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1822663, 3645326, 7290652, 9113315, 14581304, 18226630, 34630597, 36453260, 69261194, 72906520, 138522388, 173152985, 277044776, 346305970, 692611940, 1385223880]

約数ペア:

[(1, 1385223880), (2, 692611940), (4, 346305970), (5, 277044776), (8, 173152985), (10, 138522388), (19, 72906520), (20, 69261194), (38, 36453260), (40, 34630597), (76, 18226630), (95, 14581304), (152, 9113315), (190, 7290652), (380, 3645326), (760, 1822663)]