2223996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3971423}}^1$

素因数の和:3971443

約数の個数: 40

約数和(自身を含む): 5909478912

約数和(自身を除く): 3685482032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3971423, 7942846, 15885692, 19857115, 27799961, 31771384, 39714230, 55599922, 63542768, 79428460, 111199844, 138999805, 158856920, 222399688, 277999610, 317713840, 444799376, 555999220, 1111998440, 2223996880]

約数ペア:

[(1, 2223996880), (2, 1111998440), (4, 555999220), (5, 444799376), (7, 317713840), (8, 277999610), (10, 222399688), (14, 158856920), (16, 138999805), (20, 111199844), (28, 79428460), (35, 63542768), (40, 55599922), (56, 39714230), (70, 31771384), (80, 27799961), (112, 19857115), (140, 15885692), (280, 7942846), (560, 3971423)]