3986675

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 6547200

約数和(自身を除く): 2560525

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 109, 133, 175, 209, 275, 385, 475, 545, 665, 763, 1045, 1199, 1463, 1925, 2071, 2725, 3325, 3815, 5225, 5995, 7315, 8393, 10355, 14497, 19075, 22781, 29975, 36575, 41965, 51775, 72485, 113905, 159467, 209825, 362425, 569525, 797335, 3986675]

約数ペア:

[(1, 3986675), (5, 797335), (7, 569525), (11, 362425), (19, 209825), (25, 159467), (35, 113905), (55, 72485), (77, 51775), (95, 41965), (109, 36575), (133, 29975), (175, 22781), (209, 19075), (275, 14497), (385, 10355), (475, 8393), (545, 7315), (665, 5995), (763, 5225), (1045, 3815), (1199, 3325), (1463, 2725), (1925, 2071)]