1330488920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{2311}}^1$

素因数の和:2748

約数の個数: 64

約数和(自身を含む): 3083745600

約数和(自身を除く): 1753256680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 389, 740, 778, 1480, 1556, 1945, 2311, 3112, 3890, 4622, 7780, 9244, 11555, 14393, 15560, 18488, 23110, 28786, 46220, 57572, 71965, 85507, 92440, 115144, 143930, 171014, 287860, 342028, 427535, 575720, 684056, 855070, 898979, 1710140, 1797958, 3420280, 3595916, 4494895, 7191832, 8989790, 17979580, 33262223, 35959160, 66524446, 133048892, 166311115, 266097784, 332622230, 665244460, 1330488920]

約数ペア:

[(1, 1330488920), (2, 665244460), (4, 332622230), (5, 266097784), (8, 166311115), (10, 133048892), (20, 66524446), (37, 35959160), (40, 33262223), (74, 17979580), (148, 8989790), (185, 7191832), (296, 4494895), (370, 3595916), (389, 3420280), (740, 1797958), (778, 1710140), (1480, 898979), (1556, 855070), (1945, 684056), (2311, 575720), (3112, 427535), (3890, 342028), (4622, 287860), (7780, 171014), (9244, 143930), (11555, 115144), (14393, 92440), (15560, 85507), (18488, 71965), (23110, 57572), (28786, 46220)]