2978920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{10639}}^1$

素因数の和:10657

約数の個数: 32

約数和(自身を含む): 7660800

約数和(自身を除く): 4681880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 10639, 21278, 42556, 53195, 74473, 85112, 106390, 148946, 212780, 297892, 372365, 425560, 595784, 744730, 1489460, 2978920]

約数ペア:

[(1, 2978920), (2, 1489460), (4, 744730), (5, 595784), (7, 425560), (8, 372365), (10, 297892), (14, 212780), (20, 148946), (28, 106390), (35, 85112), (40, 74473), (56, 53195), (70, 42556), (140, 21278), (280, 10639)]