4030040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 10670400

約数和(自身を除く): 6640360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 389, 518, 740, 778, 1036, 1295, 1480, 1556, 1945, 2072, 2590, 2723, 3112, 3890, 5180, 5446, 7780, 10360, 10892, 13615, 14393, 15560, 21784, 27230, 28786, 54460, 57572, 71965, 100751, 108920, 115144, 143930, 201502, 287860, 403004, 503755, 575720, 806008, 1007510, 2015020, 4030040]

約数ペア:

[(1, 4030040), (2, 2015020), (4, 1007510), (5, 806008), (7, 575720), (8, 503755), (10, 403004), (14, 287860), (20, 201502), (28, 143930), (35, 115144), (37, 108920), (40, 100751), (56, 71965), (70, 57572), (74, 54460), (140, 28786), (148, 27230), (185, 21784), (259, 15560), (280, 14393), (296, 13615), (370, 10892), (389, 10360), (518, 7780), (740, 5446), (778, 5180), (1036, 3890), (1295, 3112), (1480, 2723), (1556, 2590), (1945, 2072)]