2851120

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 6700464

約数和(自身を除く): 3849344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 227, 314, 454, 628, 785, 908, 1135, 1256, 1570, 1816, 2270, 2512, 3140, 3632, 4540, 6280, 9080, 12560, 18160, 35639, 71278, 142556, 178195, 285112, 356390, 570224, 712780, 1425560, 2851120]

約数ペア:

[(1, 2851120), (2, 1425560), (4, 712780), (5, 570224), (8, 356390), (10, 285112), (16, 178195), (20, 142556), (40, 71278), (80, 35639), (157, 18160), (227, 12560), (314, 9080), (454, 6280), (628, 4540), (785, 3632), (908, 3140), (1135, 2512), (1256, 2270), (1570, 1816)]