57591980

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{349}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 125126400

約数和(自身を除く): 67534420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 223, 349, 370, 446, 698, 740, 892, 1115, 1396, 1745, 2230, 3490, 4460, 6980, 8251, 12913, 16502, 25826, 33004, 41255, 51652, 64565, 77827, 82510, 129130, 155654, 165020, 258260, 311308, 389135, 778270, 1556540, 2879599, 5759198, 11518396, 14397995, 28795990, 57591980]

約数ペア:

[(1, 57591980), (2, 28795990), (4, 14397995), (5, 11518396), (10, 5759198), (20, 2879599), (37, 1556540), (74, 778270), (148, 389135), (185, 311308), (223, 258260), (349, 165020), (370, 155654), (446, 129130), (698, 82510), (740, 77827), (892, 64565), (1115, 51652), (1396, 41255), (1745, 33004), (2230, 25826), (3490, 16502), (4460, 12913), (6980, 8251)]