71401540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4679}}^1$

素因数の和:4804

約数の個数: 48

約数和(自身を含む): 172972800

約数和(自身を除く): 101571260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 109, 140, 218, 436, 545, 763, 1090, 1526, 2180, 3052, 3815, 4679, 7630, 9358, 15260, 18716, 23395, 32753, 46790, 65506, 93580, 131012, 163765, 327530, 510011, 655060, 1020022, 2040044, 2550055, 3570077, 5100110, 7140154, 10200220, 14280308, 17850385, 35700770, 71401540]

約数ペア:

[(1, 71401540), (2, 35700770), (4, 17850385), (5, 14280308), (7, 10200220), (10, 7140154), (14, 5100110), (20, 3570077), (28, 2550055), (35, 2040044), (70, 1020022), (109, 655060), (140, 510011), (218, 327530), (436, 163765), (545, 131012), (763, 93580), (1090, 65506), (1526, 46790), (2180, 32753), (3052, 23395), (3815, 18716), (4679, 15260), (7630, 9358)]