71042020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11801}}^1$

素因数の和:11860

約数の個数: 48

約数和(自身を含む): 174480768

約数和(自身を除く): 103438748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 11801, 23602, 47204, 59005, 82607, 118010, 165214, 236020, 330428, 413035, 507443, 826070, 1014886, 1652140, 2029772, 2537215, 3552101, 5074430, 7104202, 10148860, 14208404, 17760505, 35521010, 71042020]

約数ペア:

[(1, 71042020), (2, 35521010), (4, 17760505), (5, 14208404), (7, 10148860), (10, 7104202), (14, 5074430), (20, 3552101), (28, 2537215), (35, 2029772), (43, 1652140), (70, 1014886), (86, 826070), (140, 507443), (172, 413035), (215, 330428), (301, 236020), (430, 165214), (602, 118010), (860, 82607), (1204, 59005), (1505, 47204), (3010, 23602), (6020, 11801)]