242578180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1451}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 549831744

約数和(自身を除く): 307253564

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 643, 1286, 1451, 2572, 2902, 3215, 5804, 6430, 7255, 8359, 12860, 14510, 16718, 18863, 29020, 33436, 37726, 41795, 75452, 83590, 94315, 167180, 188630, 377260, 932993, 1865986, 3731972, 4664965, 9329930, 12128909, 18659860, 24257818, 48515636, 60644545, 121289090, 242578180]

約数ペア:

[(1, 242578180), (2, 121289090), (4, 60644545), (5, 48515636), (10, 24257818), (13, 18659860), (20, 12128909), (26, 9329930), (52, 4664965), (65, 3731972), (130, 1865986), (260, 932993), (643, 377260), (1286, 188630), (1451, 167180), (2572, 94315), (2902, 83590), (3215, 75452), (5804, 41795), (6430, 37726), (7255, 33436), (8359, 29020), (12860, 18863), (14510, 16718)]