7687540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1277}}^1$

素因数の和:1336

約数の個数: 48

約数和(自身を含む): 18893952

約数和(自身を除く): 11206412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1277, 1505, 2554, 3010, 5108, 6020, 6385, 8939, 12770, 17878, 25540, 35756, 44695, 54911, 89390, 109822, 178780, 219644, 274555, 384377, 549110, 768754, 1098220, 1537508, 1921885, 3843770, 7687540]

約数ペア:

[(1, 7687540), (2, 3843770), (4, 1921885), (5, 1537508), (7, 1098220), (10, 768754), (14, 549110), (20, 384377), (28, 274555), (35, 219644), (43, 178780), (70, 109822), (86, 89390), (140, 54911), (172, 44695), (215, 35756), (301, 25540), (430, 17878), (602, 12770), (860, 8939), (1204, 6385), (1277, 6020), (1505, 5108), (2554, 3010)]