138987800

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{99277}}^1$

素因数の和:99300

約数の個数: 48

約数和(自身を含む): 369314160

約数和(自身を除く): 230326360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1400, 99277, 198554, 397108, 496385, 694939, 794216, 992770, 1389878, 1985540, 2481925, 2779756, 3474695, 3971080, 4963850, 5559512, 6949390, 9927700, 13898780, 17373475, 19855400, 27797560, 34746950, 69493900, 138987800]

約数ペア:

[(1, 138987800), (2, 69493900), (4, 34746950), (5, 27797560), (7, 19855400), (8, 17373475), (10, 13898780), (14, 9927700), (20, 6949390), (25, 5559512), (28, 4963850), (35, 3971080), (40, 3474695), (50, 2779756), (56, 2481925), (70, 1985540), (100, 1389878), (140, 992770), (175, 794216), (200, 694939), (280, 496385), (350, 397108), (700, 198554), (1400, 99277)]