78001420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{557153}}^1$

素因数の和:557169

約数の個数: 24

約数和(自身を含む): 187203744

約数和(自身を除く): 109202324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 557153, 1114306, 2228612, 2785765, 3900071, 5571530, 7800142, 11143060, 15600284, 19500355, 39000710, 78001420]

約数ペア:

[(1, 78001420), (2, 39000710), (4, 19500355), (5, 15600284), (7, 11143060), (10, 7800142), (14, 5571530), (20, 3900071), (28, 2785765), (35, 2228612), (70, 1114306), (140, 557153)]