2831240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1961

約数の個数: 32

約数和(自身を含む): 6545880

約数和(自身を除く): 3714640

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 1913, 3826, 7652, 9565, 15304, 19130, 38260, 70781, 76520, 141562, 283124, 353905, 566248, 707810, 1415620, 2831240]

約数ペア:

[(1, 2831240), (2, 1415620), (4, 707810), (5, 566248), (8, 353905), (10, 283124), (20, 141562), (37, 76520), (40, 70781), (74, 38260), (148, 19130), (185, 15304), (296, 9565), (370, 7652), (740, 3826), (1480, 1913)]